1. FSV Mainz 05
Zugänge
| ab | Name | Pos | Mannschaft | Team | ||
|---|---|---|---|---|---|---|
| 07/2025 |  | Sota Kawasaki | MF |  | Kyoto Sanga FC | Kyoto |
| 07/2025 |  | Kasey Bos | AB |  | Melbourne Victory | Melb. Victory |
| 07/2025 |  | Konstantin Schopp | AB |  | Sturm Graz U19 | Sturm Graz U19 |
| 07/2025 |  | Marco Richter | MF |  | Hamburger SV | Hamburg |
| 07/2025 | | Niklas Tauer | MF |  | Eintracht Braunschweig | Braunschweig |
| 07/2025 | | Ben Bobzien | ST |  | SK Austria Klagenfurt | A. Klagenfurt |
| 07/2025 | | Benedict Hollerbach | ST |  | 1. FC Union Berlin | Union Berlin |
| 01/2025 |  | Arnaud Nordin | ST |  | Montpellier HSC | Montpellier |
| 01/2025 |  | Lennard Maloney | MF |  | 1. FC Heidenheim 1846 | Heidenheim |
Abgänge
| ab | Name | Pos | Mannschaft | Team | ||
|---|---|---|---|---|---|---|
| 07/2025 | | Marco Richter | MF |  | SV Darmstadt 98 | Darmstadt |
| 07/2025 |  | Hyun-seok Hong | MF |  | FC Nantes | FC Nantes |
| 07/2025 | | Jonathan Burkardt | ST |  | Eintracht Frankfurt | E. Frankfurt |
| 07/2025 | | Moritz Jenz | AB |  | VfL Wolfsburg | Wolfsburg |
| 02/2025 |  | Gabriel Vidović | ST |  | Bayern München | Bayern |
| 02/2025 |  | Aymen Barkok | MF |  | FC Schalke 04 | Schalke |
| 01/2025 | | Karim Onisiwo | ST |  | RB Salzburg | RB Salzburg |
