Marvin Keller (Goalkeeper, age 24, at BSC Young Boys): ACTUAL Value €50k vs €6m market value. Transfer history, fees and where the career can go next. Updated after their last match, 2026-08-23.
| Date | From | To | Fee |
|---|---|---|---|
| 2023-09-13 | Young Boys | FC Winterthur | Loan |
| 2023-02-13 | FC Wil 1900 | Young Boys | — |
| 2021-07-01 | Grasshoppers | FC Wil 1900 | — |
| 2020-01-08 | GC Zürich U21 | Grasshoppers | — |
| 2019-07-01 | GC Zürich U18 | GC Zürich U21 | — |
| 2018-07-01 | GC Zürich U16 | GC Zürich U18 | — |
| 2017-07-01 | GC Zürich U15 | GC Zürich U16 | — |
FC Winterthur · Young Boys · FC Wil 1900 · Grasshoppers · GC Zürich U21 · GC Zürich U18 · GC Zürich U16 · GC Zürich U15