Transfers
Confirmed moves across every competition we cover. Fees in euros as reported by the data provider — loans, frees and undisclosed deals count as moves but contribute nothing to spend.
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Filtered to Mainz 05 · clear · club page →
Spend by club
| Club | In | Out | Spent | Received | Net |
|---|---|---|---|---|---|
 Mainz 05 | 2 | 12 | €4m | €5.0m | +€980k |
Biggest moves
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 12 Aug | Stefan Posch · CB |  Como | Mainz 05 | €4m |
| 2 Sept | Andreas Hanche-Olsen · CB | Mainz 05 |  Chicago Fire FC | €3.8m (est.) |
| 17 Jul | Ben Bobzien · LW | Mainz 05 | Dynamo Dresden | €1m |
| 15 Jul | Maxim Dal · CB | Mainz 05 | Greuther Fürth | €180k (est.) |
| 2 Sept | Marco Richter · RW | Mainz 05 | Free agent | Free |
| 2 Sept | Hyun-Seok Hong · AM | Mainz 05 | FC Midtjylland | Loan |
| 28 Aug | William Bøving · LW | Mainz 05 | 1. FC Nürnberg | Loan |
| 31 Jul | Alexander Schwolow · GK |  Heart of Midlothian | Mainz 05 | Free |
| 18 Jul | Nelson Weiper · ST | Mainz 05 |  Sturm Graz | Loan |
| 17 Jul | Niklas Tauer · CM | Mainz 05 | TSV Havelse | Free |
| 6 Jul | Lasse Rieß · GK | Mainz 05 | Düsseldorf | Loan |
| 1 Jul | Daniel Gleiber | Mainz 05 | Saarbrücken | Loan |
| 30 Jun | Kasey Bos · LB | Mainz 05 |  Excelsior | Loan |
| 21 Jun | Konstantin Schopp · CB | Mainz 05 |  Hartberg | Loan |
Totals include provider estimates for undisclosed fees, marked (est.). Confirmed business only — unconfirmed talk stays in each league’s Rumors tab.