Transfers
Recent player movements in and out of the squad
| Date | Player | From | To | Type |
|---|---|---|---|---|
| 01.07.2022 | J. Meier | FSV Mainz 05 | — | 200K |
| 01.07.2022 | D. da Costa | Eintracht Frankfurt | FSV Mainz 05 | Free |
| 01.07.2022 | O. Hanin | FSV Mainz 05 | — | N/A |
| 01.07.2022 | R. Rösch | FSV Mainz 05 | — | N/A |
| 01.07.2022 | K. Stöger | FSV Mainz 05 | VfL Bochum | Free |
| 01.07.2022 | L. Kilian | FSV Mainz 05 | 1. FC Köln | € 2M |
| 01.07.2022 | M. Leitsch | VfL Bochum | FSV Mainz 05 | € 3.5M |
| 01.07.2022 | A. Caci | Strasbourg | FSV Mainz 05 | Free |
| 15.02.2022 | E. Fernandes | FSV Mainz 05 | BSC Young Boys | Loan |
| 15.02.2022 | E. Fernandes | — | FSV Mainz 05 | N/A |
| 15.02.2022 | Á. Szalai | FSV Mainz 05 | FC Basel 1893 | Free |
| 31.01.2022 | M. Liesegang | FSV Mainz 05 | — | Free |
| 31.01.2022 | J. Mateta | FSV Mainz 05 | Crystal Palace | € 11M |
| 30.01.2022 | J. Mateta | Crystal Palace | FSV Mainz 05 | N/A |
| 29.01.2022 | D. Burgzorg | Heracles | FSV Mainz 05 | Loan |
| 01.01.2022 | T. Rupil | FSV Mainz 05 | — | N/A |
| 31.08.2021 | E. Fernandes | FSV Mainz 05 | — | Loan |
| 30.08.2021 | M. Ingvartsen | Union Berlin | FSV Mainz 05 | Loan |
| 24.08.2021 | L. Kilian | FSV Mainz 05 | 1. FC Köln | Loan |
| 14.08.2021 | J. Meier | FSV Mainz 05 | — | Loan |
| 31.07.2021 | A. Stach | — | FSV Mainz 05 | € 3.5M |
| 22.07.2021 | D. Wanner | Borussia Dortmund | FSV Mainz 05 | Free |
| 09.07.2021 | S. Widmer | FC Basel 1893 | FSV Mainz 05 | € 2.5M |
| 08.07.2021 | Ji Dong-Won | FSV Mainz 05 | — | N/A |
| 08.07.2021 | R. Quaison | FSV Mainz 05 | — | Free |
| 08.07.2021 | Lee Jae-Sung | Holstein Kiel | FSV Mainz 05 | Free |
| 01.07.2021 | F. Müller | FSV Mainz 05 | VfB Stuttgart | € 5M |
| 01.07.2021 | Anderson Lucoqui | — | FSV Mainz 05 | Free |
| 01.07.2021 | Aarón Martín | Celta Vigo | FSV Mainz 05 | N/A |
| 01.07.2021 | E. Eyibil | FSV Mainz 05 | Antalyaspor | Free |
| 01.07.2021 | Ji Dong-Won | — | FSV Mainz 05 | N/A |
| 01.07.2021 | D. Latza | FSV Mainz 05 | FC Schalke 04 | Free |
| 01.07.2021 | I. Abass | FSV Mainz 05 | HNK Rijeka | Loan |
| 01.07.2021 | J. Meier | — | FSV Mainz 05 | N/A |
| 01.07.2021 | D. da Costa | FSV Mainz 05 | Eintracht Frankfurt | N/A |
| 01.07.2021 | L. Öztunalı | FSV Mainz 05 | Union Berlin | Free |
| 01.07.2021 | P. Kunde | FSV Mainz 05 | Olympiakos Piraeus | € 1.8M |
| 01.07.2021 | P. Mwene | FSV Mainz 05 | PSV Eindhoven | Free |
| 30.06.2021 | R. Glatzel | FSV Mainz 05 | — | N/A |
| 10.06.2021 | M. Mustapha | FSV Mainz 05 | — | Loan |
| 01.02.2021 | R. Glatzel | — | FSV Mainz 05 | Loan |
| 29.01.2021 | Ji Dong-Won | FSV Mainz 05 | — | Loan |
| 22.01.2021 | D. da Costa | Eintracht Frankfurt | FSV Mainz 05 | Loan |
| 21.01.2021 | J. Mateta | FSV Mainz 05 | Crystal Palace | Loan |
| 18.01.2021 | D. Lavalée | FSV Mainz 05 | St. Truiden | Loan |
| 18.01.2021 | D. Kohr | Eintracht Frankfurt | FSV Mainz 05 | Loan |
| 04.01.2021 | I. Abass | FSV Mainz 05 | Twente | Loan |
| 04.01.2021 | Aarón Martín | FSV Mainz 05 | Celta Vigo | Loan |
| 07.10.2020 | K. Stöger | Fortuna Düsseldorf | FSV Mainz 05 | Free |
| 01.10.2020 | R. Baku | FSV Mainz 05 | VfL Wolfsburg | € 10M |