Mark Flekken (Goalkeeper, age 33, at Bayer 04 Leverkusen): ACTUAL Value €2.5m vs €6m market value. Transfer history, fees and where the career can go next. Updated after their last match, 2026-05-16.
| Date | From | To | Fee |
|---|---|---|---|
| 2025-07-01 | Brentford | Leverkusen | €11m |
| 2023-07-01 | Freiburg | Brentford | €13m |
| 2018-07-01 | MSV Duisburg | Freiburg | €2m |
| 2016-07-01 | Greuther Fürth | MSV Duisburg | — |
| 2013-07-01 | Alem. Aachen | Greuther Fürth | Free |
| 2012-07-01 | Aachen U19 | Alem. Aachen | — |
| 2010-07-01 | Aachen U17 | Aachen U19 | — |
Leverkusen · Brentford · Freiburg · MSV Duisburg · Greuther Fürth · Alem. Aachen · Aachen U19 · Aachen U17