| First Team Matches | Second Team Matches | Youth Team Matches | League Debuts | Associated with both clubs | Transfers |
| To Wolves | ||
| Dowen, JS | Fee Unknown | 7 October 1936 |
| Keen, KI | £600,000 | 7 July 1993 |
| Small, M | Loan | 16 September 1993 |
| Bywater, SM | Loan | 17 July 2001 |
| Reid, KR | Loan | 15 January 2009 |
| Quashie, NF | Loan | 23 January 2009 |
| Nouble, F | Free | 22 June 2012 |
| Dawson, C | £3,750,000 | 22 January 2023 |
| To West Ham | ||
| Richards, RW | Fee Unknown | 6 July 1922 |
| Davies, R | Contract Cancelled | 28 October 1930 |
| Deacon, R | Fee Unknown | 10 June 1931 |
| Dowen, JS | Fee Unknown | 11 October 1935 |
| Weare, AJ | Fee Unknown | 22 September 1936 |
| Burton, S | Fee Unknown | 6 May 1939 |
| Dwyer, NM | Fee Unknown | 1 December 1958 |
| Gallagher, JA | Released | 7 December 1982 |
| Newton, SO | £125,000 | 10 March 2005 |
| Jarvis, M | £7,500,000 | 24 August 2012 |
| Johnson, R | Loan | 6 January 2014 |
| Kilman, MW | £40,000,000 | 6 July 2024 |
