Career
Clubs by season and milestones detected between squad sweeps.
- 2026/27Vasteras SK FK · Allsvenskan · 19 apps
- 2025/26Hammarby FF · Allsvenskan
J. Karlsson — season analysis
Jonathan Karlsson (Sweden), aged 22, anchors the Vasteras SK FK (Allsvenskan) back line in 2026/27.
So far he has scored 0 goals and provided 1 assist in 21 appearances — 1 goal contribution in total. That comes across 1,018 minutes on the pitch and 0.09 goal involvements per 90. He has started 9 of those matches.
From 5 shots, 80% on target, his shot conversion is 0%. On the creative side he has produced 9 key passes while completing 86% of his passes. Off the ball he has made 18 tackles and 9 interceptions, winning 54% of his duels.
Disciplinary record this season: 1 yellow. All of it condenses into an IIG (Striker Impact Index) of 2.7 this season — our league-weighted composite of goals, rating and assists.