| BL SSW | 28/05/17 | 1. FSV Mainz 05 [Youth B] | - | Bayern München [Youth B] | 3:1 | ||||
| BL SSW | 18/11/17 | FC Augsburg [Youth] | - | 1. FSV Mainz 05 [Youth] | 0:1 |
| BL SSW | 28/05/17 | 1. FSV Mainz 05 [Youth B] | - | Bayern München [Youth B] | 3:1 | ||||
| BL SSW | 18/11/17 | FC Augsburg [Youth] | - | 1. FSV Mainz 05 [Youth] | 0:1 |
| Leandro Barreiro Martins | |
| Born: | 03.01.2000 |
| Place of birth: |
Erpeldingen, 
Luxembourg |
| Nationality: |
Luxembourg
Portugal |
| Height: | 174 cm |
| Weight: | 67 kg |
| Position(s): | Central Midfielder Offensive Midfielder |
| Foot: | right |