Player Summary
J. Onstein's club history lists 1 spell across 1 club.
Season goals0
Season assists0
Rating-
Transfer history
| Date | From | To | Terms |
|---|---|---|---|
| 2026-01-30 | - |  Barcelona | - |
Club history
| Period | Team | Competition | Country |
|---|---|---|---|
| 2023-2026 |  KRC Genk IICurrent |  Challenger Pro League |  Belgium |