Goal efficiency
How clinical and direct the player was in front of goal — volume, accuracy, and conversion.
Vasteras SK FK · Allsvenskan · Midfielder · #15 · Sweden · 22 yrs
J. Karlsson plays as a midfielder for Vasteras SK FK. J. Karlsson is a Swedish international, 22 years old, midfielder, currently at Vasteras SK FK. J. Karlsson wears shirt number 15 for Vasteras SK FK. J. Karlsson was born in Sweden on 2003-11-27. J. Karlsson is 180 cm tall. J. Karlsson's Sportra profile tracks season statistics across Ettan - Relegation Round, Svenska Cupen, Allsvenskan, Superettan. J. Karlsson's page brings together career clubs, trophies, injury history, multi-competition stats, and related news headlines. On Sportra you can explore J. Karlsson season statistics, transfer history, trophies, injury updates, and related news across every competition tracked in the profile.
| Date | Type | From | To |
|---|---|---|---|
| 2026-03-24 | Loan |  Hammarby FF HAM |  Vasteras SK FK VAS |
| 2025-11-29 | Return from loan | Vasteras SK FK VAS | Hammarby FF HAM |
| 2025-08-26 | Loan | Hammarby FF HAM | Vasteras SK FK VAS |
Season intelligence
Profile as Defender: balanced output without a single dominant trait. Archetype: Balanced contributor. Season rating 6.7.
Scaled 0–99 from season output — map to fantasy, comparisons, or scouting cards.
Per-90 rates, efficiency ratios, and Sportra indices from season totals.
How clinical and direct the player was in front of goal — volume, accuracy, and conversion.
Playmaking output: assists, key passes, and custom chance-creation signals.
Isolation threat and progressive carrying — volume plus success rate.
How often they draw fouls and stay out of trouble with cards.
Tackles, duels, and off-ball defensive contribution.
Shot-stopping, goals conceded, and penalty saves.
Minutes, availability, and how central they were to the team.
Every tracked category for this league and season, grouped by Sportra.
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