J. Martinec is a 1998-born Czech defender from Czechia, listed with Sparta Praha. The database records 1 senior season and 3 transfer moves, so this profile is limited to confirmed identity, position, nationality and current-club data from the Kickoff Calendar player record.
※ Profile auto-compiled from publicly available sources.
Other Sparta Praha players
| League | Club | Apps | Goals | Assists | Y / R |
|---|---|---|---|---|---|
| Czech Liga | Sparta Praha | 14 | 1 | 1 | 1/0 |
| Date | From | To | Type |
|---|---|---|---|
| 2025-09-05 | FK Jablonec | Sparta Praha | Transfer |
| 2025-09-03 | FK Jablonec | Sparta Praha | Transfer |
| 2020-08-11 | Hradec Králové | FK Jablonec | N/A |
