San Diego Football Club (Major League Soccer): every transfer in and out, fees paid and earned, squad market value, €24m spent and €620k earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-05-26 | Jacob Jackson | San Diego | Monterey Bay | Loan |
| 2026-05-07 | Jacob Jackson | Without Club | San Diego | — |
| 2026-02-27 | Tomás Ángel | San Diego | CD América | Free |
| 2026-02-19 | Bryan Zamblé | Right to Dream | San Diego | Free |
| 2026-02-09 | Bryce Duke | Montréal | San Diego | Free |
| 2026-01-30 | Heine Gikling Bruseth | San Diego | Kristiansund BK | Free |
| 2026-01-28 | Paddy McNair | San Diego | Hull City | — |
| 2026-01-27 | Franco Negri | San Diego | Houston | Free |
| 2026-01-26 | Osvald Søe | B.93 | San Diego | €500k |
| 2026-01-26 | Onni Valakari | Pafos | San Diego | €1.5m |
| 2026-01-01 | Oscar Verhoeven | SJ Earthquakes | San Diego | €304k |
| 2026-01-01 | Luca Bombino | LAFC | San Diego | €173k |
| 2026-01-01 | David Vazquez | Philadelphia | San Diego | €215k |
| 2025-12-19 | Wilson Eisner | SJ Earthquakes | San Diego | Free |
| 2025-12-18 | Kieran Sargeant | Houston | San Diego | — |
| 2025-12-16 | Lewis Morgan | New York | San Diego | €383k |
| 2025-08-21 | Amahl Pellegrino | SJ Earthquakes | San Diego | €256k |
| 2025-07-30 | Jacob Jackson | San Diego | Dallas | Free |
| 2025-07-28 | Pedro Soma | UE Cornellà | San Diego | — |
| 2025-07-28 | David Vazquez | Philadelphia | San Diego | Loan |