Real Madrid Castilla · Primera FederaciónJoan Martínez is a 18-year-old centre-back who plays for Real Madrid Castilla in Primera Federación. As of the 2025/26 season their market value is €4.2m and their ScoutRox Score rating is 77, with a potential of 83.
| Season | Transfer | Fee |
|---|---|---|
| 25/26 |
 Real Madrid U19
 RM Castilla
|
Free |
| 23/24 |
 Real Madrid U17
Real Madrid U19
|
Free |
| 23/24 |
 Levante UD Yout
Real Madrid U17
|
Free |
| 22/23 |
 Patacona CF You
Levante UD Yout
|
Free |
| 21/22 |
Levante UD Yout
Patacona CF You
|
Free |