Player Summary
J. Heerkens's club history lists 8 spells across 8 clubs.
Season goals0
Season assists0
Rating6.49
Transfer history
| Date | From | To | Terms |
|---|---|---|---|
| 2025-07-28 |  Sparta Praha |  Ajax | Transfer |
Club history
| Period | Team | Competition | Country |
|---|---|---|---|
| 2025-2027 | Ajax |  Eredivisie |  Netherlands |
| 2025-2027 |  Jong AjaxCurrent |  Eerste Divisie | Netherlands |
| 2025 |  Malmo FF |  Allsvenskan |  Sweden |
| 2025 |  Netherlands U19 |  UEFA U19 Championship - Qualification | World |
| 2024-2026 | Sparta Praha |  Czech Liga |  Czech-Republic |
| 2024-2026 |  Sparta Praha II |  FNL | Czech-Republic |
| 2024-2025 |  Sparta Praha U21 |  Premier League International Cup | World |
| 2023-2024 |  Sparta Praha U19 |  UEFA Youth League | World |