| 16 Oct 19 | N. Müller Nicolai Müller |  Eintracht FrankfurtSGE | → |  Western Sydney WanderersWSW | Free |
| 16 Oct 19 | N. Müller Nicolai Müller | Eintracht FrankfurtSGE | → | Western Sydney WanderersWSW | Free |
| 02 Sept 19 | Y. Konoplyanka Yevhen Konoplyanka |  Schalke 04SCHA | → | SDXShakhtar DonetskShakhtar Donetsk | Undisclosed |
| 02 Sept 19 | A. Rebic Ante Rebic | Eintracht FrankfurtSGE | → |  AC MilanMIL | Loan |
| 02 Sept 19 | P. Schick Patrik Schick |  AS RomaROMA | → |  RB LeipzigRBL | Loan |
| 02 Sept 19 | A. Silva André Silva | AC MilanMIL | → | Eintracht FrankfurtSGE | Loan |
| 02 Sept 19 | A. Silva André Silva | AC MilanMIL | → | Eintracht FrankfurtSGE | Loan |
| 02 Sept 19 | P. Schick Patrik Schick | AS RomaROMA | → | RB LeipzigRBL | Loan |
| 02 Sept 19 | A. Rebic Ante Rebic | Eintracht FrankfurtSGE | → | AC MilanMIL | Loan |
| 01 Sept 19 | J. Augustin Jean-Kévin Augustin | RB LeipzigRBL | → |  AS MonacoMON | Loan |
| 01 Sept 19 | J. Augustin Jean-Kévin Augustin | RB LeipzigRBL | → | AS MonacoMON | Loan |
| 30 Aug 19 | J. Miranda Juan Miranda |  BarcelonaBAR | → | Schalke 04SCHA | Loan |
| 30 Aug 19 | J. Miranda Juan Miranda | BarcelonaBAR | → | Schalke 04SCHA | Loan |
| 26 Aug 19 | B. Dost Bas Dost |  Sporting CPSCP | → | Eintracht FrankfurtSGE | Undisclosed |
| 24 Aug 19 | P. Ntep Paul-Georges Ntep |  VfL WolfsburgWOB | → |  KayserisporKAY | Loan |
| 23 Aug 19 | R. Sanches Renato Sanches |  Bayern MunichMUN | → |  LilleLILL | Undisclosed |
| 23 Aug 19 | R. Sanches Renato Sanches | Bayern MunichMUN | → | LilleLILL | Undisclosed |
| 21 Aug 19 | H. Mendyl Hamza Mendyl | Schalke 04SCHA | → |  Dijon FCODIJO | Loan |
| 21 Aug 19 | H. Mendyl Hamza Mendyl | Schalke 04SCHA | → | Dijon FCODIJO | Loan |
| 20 Aug 19 | T. Jedvaj Tin Jedvaj |  Bayer LeverkusenLEV | → |  FC AugsburgAUG | Loan |
| 19 Aug 19 | P. Coutinho Philippe Coutinho | BarcelonaBAR | → | Bayern MunichMUN | Loan |
| 19 Aug 19 | P. Coutinho Philippe Coutinho | BarcelonaBAR | → | Bayern MunichMUN | Loan |
| 19 Aug 19 | S. Lichtsteiner Stephan Lichtsteiner | XXX | → | FC AugsburgAUG | Free |
| 18 Aug 19 | M. Cuisance Michaël Cuisance |  Borussia MonchengladbachMON | → | Bayern MunichMUN | Undisclosed |
| 13 Aug 19 | I. Perisic Ivan Perisic |  InternazionaleINT | → | Bayern MunichMUN | Loan |
| 13 Aug 19 | I. Perisic Ivan Perisic | InternazionaleINT | → | Bayern MunichMUN | Loan |
| 12 Aug 19 | S. Gómez Sergio Gómez |  Borussia DortmundDOR | → |  HuescaHUE | Loan |
| 11 Aug 19 | Ö. Toprak Ömer Toprak | Borussia DortmundDOR | → |  Werder BremenWER | Loan |
| 09 Aug 19 | M. Philipp Maximilian Philipp | Borussia DortmundDOR | → |  Dinamo MoscowDMO | Undisclosed |
| 09 Aug 19 | S. Kagawa Shinji Kagawa | Borussia DortmundDOR | → |  Real ZaragozaZAR | Undisclosed |
| 08 Aug 19 | K. Danso Kevin Danso | FC AugsburgAUG | → |  SouthamptonSOU | Undisclosed |
| 08 Aug 19 | K. Danso Kevin Danso | FC AugsburgAUG | → | SouthamptonSOU | Undisclosed |
| 08 Aug 19 | K. Danso Kevin Danso | FC AugsburgAUG | → | SouthamptonSOU | Loan |
| 08 Aug 19 | M. Shabani Meritan Shabani | Bayern MunichMUN | → |  Wolverhampton WanderersWOL | Undisclosed |
| 08 Aug 19 | K. Danso Kevin Danso | FC AugsburgAUG | → | SouthamptonSOU | Loan |
| 08 Aug 19 | M. Shabani Meritan Shabani | Bayern MunichMUN | → | Wolverhampton WanderersWOL | Undisclosed |
| 07 Aug 19 | K. Trapp Kevin Trapp |  Paris Saint-Germain PSG | → | Eintracht FrankfurtSGE | Undisclosed |
| 07 Aug 19 | K. Trapp Kevin Trapp | Paris Saint-Germain PSG | → | Eintracht FrankfurtSGE | Undisclosed |
| 06 Aug 19 | T. Awoniyi Taiwo Awoniyi |  LiverpoolLIV | → |  MainzMAIN | Loan |
| 06 Aug 19 | T. Awoniyi Taiwo Awoniyi | LiverpoolLIV | → | MainzMAIN | Loan |
| 03 Aug 19 | L. Nmecha Lukas Nmecha |  Manchester CityMNC | → | Werder BremenWER | Loan |
| 03 Aug 19 | L. Nmecha Lukas Nmecha | Manchester CityMNC | → | Werder BremenWER | Loan |
| 02 Aug 19 | J. Willems Jetro Willems | Eintracht FrankfurtSGE | → |  Newcastle UnitedNEW | Loan |
| 02 Aug 19 | R. Oxford Reece Oxford |  West Ham UnitedWHU | → | FC AugsburgAUG | Undisclosed |
| 02 Aug 19 | J. Willems Jetro Willems | Eintracht FrankfurtSGE | → | Newcastle UnitedNEW | Loan |
| 02 Aug 19 | R. Oxford Reece Oxford | West Ham UnitedWHU | → | FC AugsburgAUG | Undisclosed |
| 01 Aug 19 | Dodi Lukebakio |  WatfordWAT | → |  Hertha BerlinHERT | Undisclosed |
| 01 Aug 19 | Dodi Lukebakio | WatfordWAT | → | Hertha BerlinHERT | Undisclosed |
| 31 Jul 19 | A. Schürrle André Schürrle | Borussia DortmundDOR | → |  Spartak MoscowSPM | Loan |
| 30 Jul 19 | Alex Mendez |  SC FreiburgFREI | → |  Ajax AmsterdamAJA | Undisclosed |
| 30 Jul 19 | Alex Mendez | SC FreiburgFREI | → | Ajax AmsterdamAJA | Undisclosed |
| 30 Jul 19 | N. Amiri Nadiem Amiri |  TSG HoffenheimHOF | → | Bayer LeverkusenLEV | Undisclosed |
| 27 Jul 19 | R. Skov Robert Skov |  FC CopenhagenCOP | → | TSG HoffenheimHOF | Undisclosed |
| 25 Jul 19 | A. Lookman Ademola Lookman |  EvertonEVE | → | RB LeipzigRBL | Undisclosed |
| 25 Jul 19 | A. Lookman Ademola Lookman | EvertonEVE | → | RB LeipzigRBL | Undisclosed |
| 24 Jul 19 | L. Baker Lewis Baker |  ChelseaCHE | → |  Fortuna DüsseldorfFOR | Loan |
| 24 Jul 19 | L. Baker Lewis Baker | ChelseaCHE | → | Fortuna DüsseldorfFOR | Loan |
| 23 Jul 19 | Joelinton | TSG HoffenheimHOF | → | Newcastle UnitedNEW | Undisclosed |
| 23 Jul 19 | Joelinton | TSG HoffenheimHOF | → | Newcastle UnitedNEW | Undisclosed |
| 22 Jul 19 | E. Ampadu Ethan Ampadu | ChelseaCHE | → | RB LeipzigRBL | Loan |
| 22 Jul 19 | E. Ampadu Ethan Ampadu | ChelseaCHE | → | RB LeipzigRBL | Loan |
| 22 Jul 19 | M. Thuram Marcus Thuram |  GuingampEAG | → | Borussia MonchengladbachMON | Undisclosed |
| 18 Jul 19 | C. Nkunku Christopher Nkunku | Paris Saint-Germain PSG | → | RB LeipzigRBL | Undisclosed |
| 18 Jul 19 | C. Nkunku Christopher Nkunku | Paris Saint-Germain PSG | → | RB LeipzigRBL | Undisclosed |
| 17 Jul 19 | S. Haller Sébastien Haller | Eintracht FrankfurtSGE | → | West Ham UnitedWHU | Undisclosed |
| 17 Jul 19 | S. Haller Sébastien Haller | Eintracht FrankfurtSGE | → | West Ham UnitedWHU | Undisclosed |
| 16 Jul 19 | A. Diallo Abdou Diallo | Borussia DortmundDOR | → | Paris Saint-Germain PSG | Undisclosed |
| 16 Jul 19 | A. Diallo Abdou Diallo | Borussia DortmundDOR | → | Paris Saint-Germain PSG | Undisclosed |
| 12 Jul 19 | H. Wright Haji Wright | Schalke 04SCHA | → |  VVV-VenloVVV | Undisclosed |
| 12 Jul 19 | H. Wright Haji Wright | Schalke 04SCHA | → | VVV-VenloVVV | Undisclosed |
| 11 Jul 19 | A. Johannsson Aron Johannsson | Werder BremenWER | → |  HammarbyHAM | Free |
| 09 Jul 19 | Z. Steffen Zack Steffen | Manchester CityMNC | → | Fortuna DüsseldorfFOR | Loan |
| 09 Jul 19 | Nicolas Fontaine | RB LeipzigRBL | → |  LyonLYON | Undisclosed |
| 09 Jul 19 | Nicolas Fontaine | RB LeipzigRBL | → | LyonLYON | Undisclosed |
| 09 Jul 19 | Z. Steffen Zack Steffen | Manchester CityMNC | → | Fortuna DüsseldorfFOR | Loan |
| 08 Jul 19 | H. Bockhorn Herbert Bockhorn | Borussia DortmundDOR | → |  Huddersfield TownHUD | Undisclosed |
| 08 Jul 19 | H. Bockhorn Herbert Bockhorn | Borussia DortmundDOR | → | Huddersfield TownHUD | Undisclosed |
| 07 Jul 19 | M. Awoudja Maxime Awoudja | Bayern MunichMUN | → |  VfB StuttgartVFB | Undisclosed |
| 05 Jul 19 | M. Schubert Markus Schubert |  Dynamo DresdenSGD | → | Schalke 04SCHA | Free |
| 05 Jul 19 | R. Fährmann Ralf Fährmann | Schalke 04SCHA | → |  Norwich CityNOR | Loan |
| 05 Jul 19 | R. Fährmann Ralf Fährmann | Schalke 04SCHA | → | Norwich CityNOR | Loan |
| 04 Jul 19 | N. Subotic Neven Subotic |  Saint-EtienneASSE | → |  1. FC Union BerlinFCU | Free |
| 04 Jul 19 | N. Subotic Neven Subotic | Saint-EtienneASSE | → | 1. FC Union BerlinFCU | Free |
| 03 Jul 19 | E. Durm Erik Durm | Huddersfield TownHUD | → | Eintracht FrankfurtSGE | Free |
| 03 Jul 19 | D. Kohr Dominik Kohr | Bayer LeverkusenLEV | → | Eintracht FrankfurtSGE | Undisclosed |
| 03 Jul 19 | E. Durm Erik Durm | Huddersfield TownHUD | → | Eintracht FrankfurtSGE | Free |
| 02 Jul 19 | F. Passlack Felix Passlack | Borussia DortmundDOR | → |  Fortuna SittardFOR | Loan |
| 02 Jul 19 | C. Gruezo Carlos Gruezo |  FC DallasDAL | → | FC AugsburgAUG | Undisclosed |
| 02 Jul 19 | C. Gruezo Carlos Gruezo | FC DallasDAL | → | FC AugsburgAUG | Undisclosed |
| 02 Jul 19 | C. Teuchert Cedric Teuchert | Schalke 04SCHA | → |  Hannover 96HAN | Loan |
| 02 Jul 19 | F. Passlack Felix Passlack | Borussia DortmundDOR | → | Fortuna SittardFOR | Loan |
| 01 Jul 19 | J. Kenny Jonjoe Kenny | EvertonEVE | → | Schalke 04SCHA | Loan |
| 01 Jul 19 | E. Fernandes Edimilson Fernandes | West Ham UnitedWHU | → | MainzMAIN | Undisclosed |
| 01 Jul 19 | J. Drmic Josip Drmic | Borussia MonchengladbachMON | → | Norwich CityNOR | Free |
| 01 Jul 19 | M. Grujic Marko Grujic | LiverpoolLIV | → | Hertha BerlinHERT | Loan |
| 01 Jul 19 | J. Kenny Jonjoe Kenny | EvertonEVE | → | Schalke 04SCHA | Loan |
| 01 Jul 19 | L. Hernández Lucas Hernández |  Atletico MadridATL | → | Bayern MunichMUN | 80000000 |
| 01 Jul 19 | A. Isak Alexander Isak | Borussia DortmundDOR | → |  Real SociedadRSO | Undisclosed |
| 01 Jul 19 | A. Martín Aarón Martín |  EspanyolESP | → | MainzMAIN | Undisclosed |
| 01 Jul 19 | M. Morey Mateu Morey | BarcelonaBAR | → | Borussia DortmundDOR | Free |
| 01 Jul 19 | V. Lazar Valentino Lazar | Hertha BerlinHERT | → | InternazionaleINT | Undisclosed |
| 01 Jul 19 | L. Hernández Lucas Hernández | Atletico MadridATL | → | Bayern MunichMUN | 80000000 |
| 01 Jul 19 | Joao Victor |  LASK LinzLAS | → | VfL WolfsburgWOB | Undisclosed |
| 01 Jul 19 | Paulo Otávio |  FC Ingolstadt 04ING | → | VfL WolfsburgWOB | Undisclosed |
| 01 Jul 19 | Bruma | RB LeipzigRBL | → |  PSV EindhovenPSV | Undisclosed |
| 01 Jul 19 | S. Adamyan Sargis Adamyan |  SSV Jahn RegensburgJAHN | → | TSG HoffenheimHOF | Undisclosed |
| 01 Jul 19 | Cyrill Akono | PMXPreussen MunsterPreussen Munster | → | MainzMAIN | Undisclosed |
| 01 Jul 19 | J. Arp Jann-Fiete Arp |  Hamburg SVHSV | → | Bayern MunichMUN | Undisclosed |
| 01 Jul 19 | I. Bebou Ihlas Bebou | Hannover 96HAN | → | TSG HoffenheimHOF | Undisclosed |
| 01 Jul 19 | D. Blum Danny Blum | Eintracht FrankfurtSGE | → |  VfL BochumBOC | Undisclosed |
| 01 Jul 19 | J. Brandt Julian Brandt | Bayer LeverkusenLEV | → | Borussia DortmundDOR | Undisclosed |
| 01 Jul 19 | L. Cândido Luan Cândido |  PalmeirasPAL | → | RB LeipzigRBL | Undisclosed |
| 01 Jul 19 | K. Demirbay Kerem Demirbay | TSG HoffenheimHOF | → | Bayer LeverkusenLEV | Undisclosed |
| 01 Jul 19 | M. Diaby Moussa Diaby | Paris Saint-Germain PSG | → | Bayer LeverkusenLEV | Undisclosed |
| 01 Jul 19 | L. Dimata Landry Dimata | VfL WolfsburgWOB | → |  AnderlechtAND | Undisclosed |
| 01 Jul 19 | B. Embolo Breel Embolo | Schalke 04SCHA | → | Borussia MonchengladbachMON | Undisclosed |
| 01 Jul 19 | E. Fernandes Edimilson Fernandes | West Ham UnitedWHU | → | MainzMAIN | Undisclosed |
| 01 Jul 19 | M. Friedl Marco Friedl | Bayern MunichMUN | → | Werder BremenWER | Undisclosed |
| 01 Jul 19 | M. Friedrich Marvin Friedrich | 1. FC Union BerlinFCU | → | FC AugsburgAUG | Undisclosed |
| 01 Jul 19 | J. Föhrenbach Jonas Föhrenbach | SC FreiburgFREI | → |  1. FC HeidenheimFCH | Undisclosed |
| 01 Jul 19 | N. Füllkrug Niclas Füllkrug | Hannover 96HAN | → | Werder BremenWER | Undisclosed |
| 01 Jul 19 | M. Grün Max Grün |  SV Darmstadt 98DRM | → | Borussia MonchengladbachMON | Undisclosed |
| 01 Jul 19 | T. Hazard Thorgan Hazard | Borussia MonchengladbachMON | → | Borussia DortmundDOR | Undisclosed |
| 01 Jul 19 | M. Hummels Mats Hummels | Bayer LeverkusenLEV | → | Borussia DortmundDOR | Undisclosed |
| 01 Jul 19 | J. Huth Jannik Huth | MainzMAIN | → |  SC Paderborn 07PAD | Undisclosed |
| 01 Jul 19 | A. Isak Alexander Isak | Borussia DortmundDOR | → | Real SociedadRSO | Undisclosed |
| 01 Jul 19 | G. Itter Gian-Luca Itter | VfL WolfsburgWOB | → | SC FreiburgFREI | Undisclosed |
| 01 Jul 19 | W. Jeong Woo-Yeong Jeong | Bayern MunichMUN | → | SC FreiburgFREI | Undisclosed |
| 01 Jul 19 | Dejan Joveljic | RSBRed Star BelgradeRed Star Belgrade | → | Eintracht FrankfurtSGE | Undisclosed |
| 01 Jul 19 | L. Jovic Luka Jovic |  BenficaBEN | → | Eintracht FrankfurtSGE | Undisclosed |
| 01 Jul 19 | O. Kabak Ozan Kabak | VfB StuttgartVFB | → | Schalke 04SCHA | Undisclosed |
| 01 Jul 19 | P. Klement Philipp Klement | SC Paderborn 07PAD | → | VfB StuttgartVFB | Undisclosed |
| 01 Jul 19 | F. Kostic Filip Kostic | Hamburg SVHSV | → | Eintracht FrankfurtSGE | Undisclosed |
| 01 Jul 19 | S. Lainer Stefan Lainer |  FC SalzburgSLZ | → | Borussia MonchengladbachMON | Undisclosed |
| 01 Jul 19 | V. Lazar Valentino Lazar | Hertha BerlinHERT | → | InternazionaleINT | Undisclosed |
| 01 Jul 19 | E. Löwen Eduard Löwen |  NurnbergNUR | → | Hertha BerlinHERT | Undisclosed |
| 01 Jul 19 | A. Martín Aarón Martín | EspanyolESP | → | MainzMAIN | Undisclosed |
| 01 Jul 19 | K. Mbabu Kevin Mbabu |  Young BoysYB | → | VfL WolfsburgWOB | Undisclosed |
| 01 Jul 19 | J. Meier Jonathan Meier | Bayern MunichMUN | → | MainzMAIN | Undisclosed |
| 01 Jul 19 | F. Niederlechner Florian Niederlechner | SC FreiburgFREI | → | FC AugsburgAUG | Undisclosed |
| 01 Jul 19 | A. Ordóñez Anderson Ordóñez | Eintracht FrankfurtSGE | → |  Liga de QuitoLDU | Undisclosed |
| 01 Jul 19 | V. Osimhen Victor Osimhen | VfL WolfsburgWOB | → |  Royal Charleroi SCCHA | Undisclosed |
| 01 Jul 19 | B. Pavard Benjamin Pavard | VfB StuttgartVFB | → | Bayern MunichMUN | Undisclosed |
| 01 Jul 19 | R. Pierre-Gabriel Ronael Pierre-Gabriel | AS MonacoMON | → | MainzMAIN | Undisclosed |
| 01 Jul 19 | J. Schmid Jonathan Schmid | FC AugsburgAUG | → | SC FreiburgFREI | Undisclosed |
| 01 Jul 19 | S. Schreck Sam Schreck | Bayer LeverkusenLEV | → |  FC GroningenGRO | Undisclosed |
| 01 Jul 19 | N. Schulz Nico Schulz | TSG HoffenheimHOF | → | Borussia DortmundDOR | Undisclosed |
| 01 Jul 19 | P. Seguin Paul Seguin | VfL WolfsburgWOB | → |  SpVgg Greuther FurthFUR | Undisclosed |
| 01 Jul 19 | D. Sinkgraven Daley Sinkgraven | Ajax AmsterdamAJA | → | Bayer LeverkusenLEV | Undisclosed |
| 01 Jul 19 | B. Tekpetey Bernard Tekpetey | SC Paderborn 07PAD | → | Schalke 04SCHA | Undisclosed |
| 01 Jul 19 | H. Wolf Hannes Wolf | FC SalzburgSLZ | → | RB LeipzigRBL | Undisclosed |
| 01 Jul 19 | J. Young Jacob Young |  SunderlandSUN | → | TSG HoffenheimHOF | Undisclosed |
| 01 Jul 19 | D. Boyata Dedryck Boyata |  CelticCEL | → | Hertha BerlinHERT | Free |
| 01 Jul 19 | J. Dong-Won Ji Dong-Won | FC AugsburgAUG | → | MainzMAIN | Free |
| 01 Jul 19 | J. Drmic Josip Drmic | Borussia MonchengladbachMON | → | Norwich CityNOR | Free |
| 01 Jul 19 | B. Goller Benjamin Goller | Schalke 04SCHA | → | Werder BremenWER | Free |
| 01 Jul 19 | Omer Hanin |  Hapoel HaderaHAD | → | MainzMAIN | Free |
| 01 Jul 19 | P. Kabuya Patrice Kabuya | Eintracht FrankfurtSGE | → | Hamburg SVHSV | Free |
| 01 Jul 19 | J. Kade Julius Kade | Hertha BerlinHERT | → | 1. FC Union BerlinFCU | Free |
| 01 Jul 19 | Florian Kastenmeier | VfB StuttgartVFB | → | Fortuna DüsseldorfFOR | Free |
| 01 Jul 19 | L. Kilian Luca Kilian | Borussia DortmundDOR | → | SC Paderborn 07PAD | Free |
| 01 Jul 19 | T. Kirschbaum Thorsten Kirschbaum | Bayer LeverkusenLEV | → | VVV-VenloVVV | Free |
| 01 Jul 19 | J. Krahl Julian Krahl | RB LeipzigRBL | → |  FC CologneCOL | Free |
| 01 Jul 19 | F. Lustenberger Fabian Lustenberger | Hertha BerlinHERT | → | Young BoysYB | Free |
| 01 Jul 19 | M. Morey Mateu Morey | BarcelonaBAR | → | Borussia DortmundDOR | Free |
| 01 Jul 19 | T. Pledl Thomas Pledl | FC Ingolstadt 04ING | → | Fortuna DüsseldorfFOR | Free |
| 01 Jul 19 | M. Schmiedebach Manuel Schmiedebach | Hannover 96HAN | → | 1. FC Union BerlinFCU | Free |
| 01 Jul 19 | K. Stafylidis Konstantinos Stafylidis | FC AugsburgAUG | → | TSG HoffenheimHOF | Free |
| 01 Jul 19 | P. Verhaegh Paul Verhaegh | VfL WolfsburgWOB | → |  FC TwenteTWE | Free |
| 01 Jul 19 | I. Abass Issah Abass | MainzMAIN | → |  FC UtrechtUTR | Loan |
| 01 Jul 19 | C. Daferner Christoph Daferner | SC FreiburgFREI | → |  FC Erzgebirge AueERZ | Loan |
| 01 Jul 19 | M. Grujic Marko Grujic | LiverpoolLIV | → | Hertha BerlinHERT | Loan |
| 01 Jul 19 | T. Jacobsen Thore Jacobsen | Werder BremenWER | → |  1. FC MagdeburgMAG | Loan |
| 01 Jul 19 | M. Nicolas Moritz Nicolas | Borussia MonchengladbachMON | → | 1. FC Union BerlinFCU | Loan |
| 01 Jul 19 | D. Otto David Otto | TSG HoffenheimHOF | → | 1. FC HeidenheimFCH | Loan |
| 01 Jul 19 | N. Schmidt Niklas Schmidt | Werder BremenWER | → | VOXVfL OsnabruckVfL Osnabruck | Loan |
| 01 Jul 19 | M. Stefaniak Marvin Stefaniak | VfL WolfsburgWOB | → | SpVgg Greuther FurthFUR | Loan |
| 01 Jul 19 | M. Diaby Moussa Diaby | Paris Saint-Germain PSG | → | Bayer LeverkusenLEV | Undisclosed |
| 01 Jul 19 | S. Guirassy Sehrou Guirassy | FC CologneCOL | → |  SC AmiensAMI | Undisclosed |
| 01 Jul 19 | R. Pierre-Gabriel Ronael Pierre-Gabriel | AS MonacoMON | → | MainzMAIN | Undisclosed |
| 01 Jul 19 | D. Boyata Dedryck Boyata | CelticCEL | → | Hertha BerlinHERT | Free |
| 01 Jul 19 | Bruma | RB LeipzigRBL | → | PSV EindhovenPSV | Undisclosed |
| 01 Jul 19 | S. Schreck Sam Schreck | Bayer LeverkusenLEV | → | FC GroningenGRO | Undisclosed |
| 01 Jul 19 | D. Sinkgraven Daley Sinkgraven | Ajax AmsterdamAJA | → | Bayer LeverkusenLEV | Undisclosed |
| 01 Jul 19 | T. Kirschbaum Thorsten Kirschbaum | Bayer LeverkusenLEV | → | VVV-VenloVVV | Free |
| 01 Jul 19 | I. Abass Issah Abass | MainzMAIN | → | FC UtrechtUTR | Loan |
| 01 Jul 19 | L. Cândido Luan Cândido | PalmeirasPAL | → | RB LeipzigRBL | Undisclosed |
| 11 Jun 19 | S. Guirassy Sehrou Guirassy | FC CologneCOL | → | SC AmiensAMI | Undisclosed |
| 04 Jun 19 | L. Jovic Luka Jovic | Eintracht FrankfurtSGE | → |  Real MadridMAD | Undisclosed |
| 04 Jun 19 | L. Jovic Luka Jovic | Eintracht FrankfurtSGE | → | Real MadridMAD | Undisclosed |
| 08 Feb 19 | M. Fabián Marco Fabián | Eintracht FrankfurtSGE | → |  Philadelphia UnionPHI | Undisclosed |
| 08 Feb 19 | M. Fabián Marco Fabián | Eintracht FrankfurtSGE | → | Philadelphia UnionPHI | Undisclosed |
| 31 Jan 19 | J. Bruma Jeffrey Bruma | VfL WolfsburgWOB | → | Schalke 04SCHA | Loan |
| 31 Jan 19 | S. Kagawa Shinji Kagawa | Borussia DortmundDOR | → |  BesiktasBES | Loan |
| 31 Jan 19 | H. Nordtveit Håvard Nordtveit | TSG HoffenheimHOF | → |  FulhamFUL | Loan |
| 31 Jan 19 | R. Oxford Reece Oxford | West Ham UnitedWHU | → | FC AugsburgAUG | Loan |
| 31 Jan 19 | E. Smith Rowe Emile Smith Rowe |  ArsenalARS | → | RB LeipzigRBL | Loan |
| 31 Jan 19 | J. Toljan Jeremy Toljan | Borussia DortmundDOR | → | CelticCEL | Loan |
| 31 Jan 19 | R. Oxford Reece Oxford | West Ham UnitedWHU | → | FC AugsburgAUG | Loan |
| 31 Jan 19 | E. Smith Rowe Emile Smith Rowe | ArsenalARS | → | RB LeipzigRBL | Loan |
| 31 Jan 19 | J. Toljan Jeremy Toljan | Borussia DortmundDOR | → | CelticCEL | Loan |
| 31 Jan 19 | H. Nordtveit Håvard Nordtveit | TSG HoffenheimHOF | → | FulhamFUL | Loan |
| 31 Jan 19 | S. Guirassy Sehrou Guirassy | FC CologneCOL | → | SC AmiensAMI | Loan |
| 31 Jan 19 | A. Touré Almamy Touré | AS MonacoMON | → | Eintracht FrankfurtSGE | Undisclosed |
| 31 Jan 19 | A. Touré Almamy Touré | AS MonacoMON | → | Eintracht FrankfurtSGE | Undisclosed |
| 30 Jan 19 | D. Kownacki Dawid Kownacki |  SampdoriaSAM | → | Fortuna DüsseldorfFOR | Loan |
| 30 Jan 19 | J. Hoogma Justin Hoogma | TSG HoffenheimHOF | → |  St PauliSTP | Loan |
| 30 Jan 19 | M. Hinteregger Martin Hinteregger | FC AugsburgAUG | → | Eintracht FrankfurtSGE | Loan |
| 30 Jan 19 | S. Wagner Sandro Wagner | Bayern MunichMUN | → |  Tianjin TigersTIG | Undisclosed |
| 30 Jan 19 | R. Matondo Rabbi Matondo | Manchester CityMNC | → | Schalke 04SCHA | Undisclosed |
| 30 Jan 19 | Tuta |  São PauloSAO | → | Eintracht FrankfurtSGE | Undisclosed |
| 30 Jan 19 | Tuta | São PauloSAO | → | Eintracht FrankfurtSGE | Undisclosed |
| 30 Jan 19 | R. Matondo Rabbi Matondo | Manchester CityMNC | → | Schalke 04SCHA | Undisclosed |
| 30 Jan 19 | D. Kownacki Dawid Kownacki | SampdoriaSAM | → | Fortuna DüsseldorfFOR | Loan |
| 29 Jan 19 | Laszlo Benes | Borussia MonchengladbachMON | → |  Holstein KielHOL | Loan |
| 28 Jan 19 | P. Kammerbauer Patrick Kammerbauer | SC FreiburgFREI | → | Holstein KielHOL | Loan |
| 28 Jan 19 | L. Ribeiro Lucas Ribeiro |  VitóriaVIT | → | TSG HoffenheimHOF | Undisclosed |
| 28 Jan 19 | L. Ribeiro Lucas Ribeiro | VitóriaVIT | → | TSG HoffenheimHOF | Undisclosed |
| 25 Jan 19 | A. Isak Alexander Isak | Borussia DortmundDOR | → |  Willem IIWIL | Loan |
| 25 Jan 19 | A. Isak Alexander Isak | Borussia DortmundDOR | → | Willem IIWIL | Loan |
| 24 Jan 19 | C. Stanko Caleb Stanko | SC FreiburgFREI | → |  FC CincinnatiCIN | Undisclosed |
| 24 Jan 19 | C. Stanko Caleb Stanko | SC FreiburgFREI | → | FC CincinnatiCIN | Undisclosed |
| 23 Jan 19 | Tomasz Kucz | Bayer LeverkusenLEV | → | DSXDunajska StredaDunajska Streda | Loan |
| 22 Jan 19 | C. Salcedo Carlos Salcedo | Eintracht FrankfurtSGE | → |  Tigres UANLUANL | Undisclosed |
| 22 Jan 19 | Gokhan Gul | Fortuna DüsseldorfFOR | → | WWXWehen WiesbadenWehen Wiesbaden | Loan |
| 22 Jan 19 | C. Salcedo Carlos Salcedo | Eintracht FrankfurtSGE | → | Tigres UANLUANL | Undisclosed |
| 22 Jan 19 | J. Bednarczyk Jakub Bednarczyk | Bayer LeverkusenLEV | → | St PauliSTP | Undisclosed |
| 18 Jan 19 | F. Kainz Florian Kainz | Werder BremenWER | → | FC CologneCOL | Undisclosed |
| 18 Jan 19 | M. Suttner Markus Suttner |  Brighton & Hove AlbionBHA | → | Fortuna DüsseldorfFOR | Loan |
| 18 Jan 19 | M. Suttner Markus Suttner | Brighton & Hove AlbionBHA | → | Fortuna DüsseldorfFOR | Loan |
| 17 Jan 19 | P. Seguin Paul Seguin | VfL WolfsburgWOB | → | SpVgg Greuther FurthFUR | Loan |
| 17 Jan 19 | S. Friede Sidney Friede | Hertha BerlinHERT | → |  MouscronREM | Loan |
| 14 Jan 19 | L. Balerdi Leonardo Balerdi |  Boca JuniorsCABJ | → | Borussia DortmundDOR | Undisclosed |
| 14 Jan 19 | L. Balerdi Leonardo Balerdi | Boca JuniorsCABJ | → | Borussia DortmundDOR | Undisclosed |
| 13 Jan 19 | J. Geis Johannes Geis | Schalke 04SCHA | → | FC CologneCOL | Undisclosed |
| 13 Jan 19 | J. Drobny Jaroslav Drobny | Werder BremenWER | → | Fortuna DüsseldorfFOR | Undisclosed |
| 09 Jan 19 | S. Zuber Steven Zuber | TSG HoffenheimHOF | → | VfB StuttgartVFB | Loan |
| 08 Jan 19 | H. Nielsen Havard Nielsen | Fortuna DüsseldorfFOR | → |  MSV DuisburgDUI | Loan |
| 07 Jan 19 | R. Bazoer Riechedly Bazoer | VfL WolfsburgWOB | → | FC UtrechtUTR | Loan |
| 07 Jan 19 | T. Matthews Tashreeq Matthews | Borussia DortmundDOR | → | FC UtrechtUTR | Loan |
| 07 Jan 19 | T. Matthews Tashreeq Matthews | Borussia DortmundDOR | → | FC UtrechtUTR | Loan |
| 07 Jan 19 | R. Bazoer Riechedly Bazoer | VfL WolfsburgWOB | → | FC UtrechtUTR | Loan |
| 03 Jan 19 | Naldo | Schalke 04SCHA | → | AS MonacoMON | Undisclosed |
| 03 Jan 19 | Naldo | Schalke 04SCHA | → | AS MonacoMON | Undisclosed |
| 02 Jan 19 | C. Pulisic Christian Pulisic | Borussia DortmundDOR | → | ChelseaCHE | 64000000 |
| 02 Jan 19 | C. Pulisic Christian Pulisic | Borussia DortmundDOR | → | ChelseaCHE | 64000000 |
| 02 Jan 19 | C. Pulisic Christian Pulisic | ChelseaCHE | → | Borussia DortmundDOR | Loan |
| 02 Jan 19 | C. Pulisic Christian Pulisic | ChelseaCHE | → | Borussia DortmundDOR | Loan |
| 01 Jan 19 | T. Adams Tyler Adams |  New York Red BullsNY | → | RB LeipzigRBL | Undisclosed |
| 01 Jan 19 | P. Alcácer Paco Alcácer | BarcelonaBAR | → | Borussia DortmundDOR | 23000000 |
| 01 Jan 19 | P. Alcácer Paco Alcácer | BarcelonaBAR | → | Borussia DortmundDOR | 23000000 |
| 01 Jan 19 | A. Davies Alphonso Davies |  Vancouver WhitecapsVAN | → | Bayern MunichMUN | Undisclosed |
| 01 Jan 19 | A. Haidara Amadou Haidara | FC SalzburgSLZ | → | RB LeipzigRBL | Undisclosed |
| 01 Jan 19 | T. Adams Tyler Adams | New York Red BullsNY | → | RB LeipzigRBL | Undisclosed |
| 01 Jan 19 | A. Davies Alphonso Davies | Vancouver WhitecapsVAN | → | Bayern MunichMUN | Undisclosed |
| 01 Jan 19 | K. Akpoguma Kevin Akpoguma | TSG HoffenheimHOF | → | Hannover 96HAN | Loan |
| 01 Jan 19 | F. Pires Felipe Pires | TSG HoffenheimHOF | → | PalmeirasPAL | Loan |
| 01 Jan 19 | O. Baumann Oliver Baumann | TSG HoffenheimHOF | → | Hannover 96HAN | Loan |
| 01 Jan 19 | D. Beyreuther Deji-Ousman Beyreuther | Eintracht FrankfurtSGE | → | CFXChemnitzer FCChemnitzer FC | Loan |
| 01 Jan 19 | A. Esswein Alexander Esswein | Hertha BerlinHERT | → | VfB StuttgartVFB | Loan |
| 01 Jan 19 | N. Müller Nicolai Müller | Eintracht FrankfurtSGE | → | Hannover 96HAN | Loan |
| 01 Jan 19 | F. Pires Felipe Pires | TSG HoffenheimHOF | → | PalmeirasPAL | Loan |
| 01 Jan 19 | S. Rode Sebastian Rode | Borussia DortmundDOR | → | Eintracht FrankfurtSGE | Loan |