| 14 Nov 14 | D. Graham Danny Graham |  SunderlandSUN | → |  Wolverhampton WanderersWOL | Loan |
| 14 Nov 14 | D. Graham Danny Graham | SunderlandSUN | → | Wolverhampton WanderersWOL | Loan |
| 14 Aug 14 | W. Buckley William Buckley |  Brighton & Hove AlbionBHA | → | SunderlandSUN | 2,500,000 |
| 14 Aug 14 | W. Buckley William Buckley | Brighton & Hove AlbionBHA | → | SunderlandSUN | 2,500,000 |
| 01 Jul 14 | L. Laing Louis Laing | SunderlandSUN | → |  Nottingham ForestFOR | Free |
| 01 Jul 14 | J. Gómez Jordi Gómez |  Wigan AthleticWGA | → | SunderlandSUN | Free |
| 01 Jul 14 | D. Vaughan David Vaughan | SunderlandSUN | → | Nottingham ForestFOR | Undisclosed |
| 01 Jul 14 | J. Gómez Jordi Gómez | Wigan AthleticWGA | → | SunderlandSUN | Free |
| 01 Jul 14 | L. Laing Louis Laing | SunderlandSUN | → | Nottingham ForestFOR | Free |
| 01 Jul 14 | D. Vaughan David Vaughan | SunderlandSUN | → | Nottingham ForestFOR | Undisclosed |
| 26 Feb 14 | C. Wickham Connor Wickham | SunderlandSUN | → |  Leeds UnitedLEE | Loan |
| 26 Feb 14 | C. Wickham Connor Wickham | SunderlandSUN | → | Leeds UnitedLEE | Loan |
| 31 Jan 14 | L. Bridcutt Liam Bridcutt | Brighton & Hove AlbionBHA | → | SunderlandSUN | Undisclosed |
| 31 Jan 14 | D. Graham Danny Graham | SunderlandSUN | → |  MiddlesbroughMID | Loan |
| 31 Jan 14 | D. Vaughan David Vaughan | SunderlandSUN | → | Nottingham ForestFOR | Loan |
| 31 Jan 14 | L. Bridcutt Liam Bridcutt | Brighton & Hove AlbionBHA | → | SunderlandSUN | Undisclosed |
| 31 Jan 14 | D. Graham Danny Graham | SunderlandSUN | → | MiddlesbroughMID | Loan |
| 31 Jan 14 | D. Vaughan David Vaughan | SunderlandSUN | → | Nottingham ForestFOR | Loan |