Player Summary
J. Mertens is a Defender at K. Lierse S.K. (Challenger Pro League). Their club career began at OH Leuven in 2017, followed by spells at GO Ahead Eagles, SK Beveren, Real Monarchs and FC Vaduz, and they have been with K. Lierse S.K. since 2025.
Season goals6
Season assists5
Rating7.38
Upcoming matches
Scope: 2025/26 / 2024/25
No upcoming matches.
Key metrics (total)
Appearances46
Starts36
Minutes3,333 min
Goals6
Assists5
G+A11
Yellow cards12
Red cards0
Key metrics are totals for the displayed season (4 competitions combined, 2025/26 / 2024/25).
Performance by competition
4 competitions
| Competition | Appearances | Starts | Min | Goals | Assists | Yellow cards | Red cards | Rating |
|---|---|---|---|---|---|---|---|---|
 Challenger Pro League | 24 | 22 | 1,985 | 6 | 5 | 8 | 0 | 7.38 |
 Challenge League | 20 | 13 | 1,248 | 0 | 0 | 3 | 0 | - |
 Cup | 1 | 1 | 82 | 0 | 0 | 1 | 0 | - |
 UEFA Europa Conference League | 1 | 0 | 18 | 0 | 0 | 0 | 0 | - |