Estimated market value (beta)
Overview
Weighted average of attribute scores for this role, position-adjusted. Standout attributes count more than weaknesses.
Attributes (grouped)
Mobility
Quick first steps, a key asset as a wide forward. (conf 0.34)
Good top speed for a winger, threatens in open space. (conf 0.34)
Quick change of direction on the wing to beat full-backs. (conf 0.34)
Handles regular wing duties; sustained intensity unproven at this level. (conf 0.34)
Control
Adequate control at pace, not a refined receiver. (conf 0.34)
Likes running at defenders and beating them on the outside. (conf 0.34)
Limited ball protection when closely marked. (conf 0.34)
Competent strike from the left, can shoot from distance. (conf 0.34)
Distribution
Link-up is simple, rarely creative in tight spaces. (conf 0.34)
Little long-passing role as a wide attacker. (conf 0.34)
Delivers usefully from the left but with inconsistent accuracy. (conf 0.34)
Spots simple options; not a primary creator. (conf 0.34)
Chance threat
Scoring is steady rather than prolific across several leagues. (conf 0.34)
Can force shots from poor angles at times. (conf 0.34)
Attacks space between full-back and centre-back with direct runs. (conf 0.34)
No known dead-ball threat or free-kick record at senior level. (conf 0.34)
Duels
Not an aerial presence on the wing and rarely a heading target. (conf 0.34)
Average ground duelling for a wide player. (conf 0.34)
Defense
Works to press full-backs but not a pressing specialist. (conf 0.34)
Small defensive contribution from the wing. (conf 0.34)
Basic defensive positioning when out of possession. (conf 0.34)
Mental
Decision under pressure still developing after many loan moves. (conf 0.34)
Sometimes loses the ball by forcing the dribble. (conf 0.34)
Reasonable effort over a match, tracks back when needed. (conf 0.34)
Resilience
No clear injury information available, so a neutral estimate is used. (conf 0.28)
Outlook
At 25, some headroom after a Bulgarian youth cap and a transfer to Belgium. (conf 0.38)
Journeyman profile with little exposure outside lower-level European leagues. (conf 0.36)
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Scouting Report & Player Insights
Sylvester Jasper is a Bulgarian left-sided attacker, born in England to a Nigerian father and Bulgarian mother, who plays mainly as a left winger. He came through Queens Park Rangers and Fulham and has since moved often, with loans at Colchester, Hibernian and Bristol Rovers and permanent spells at Portimonense, Śląsk Wrocław and Železničar Pančevo. He joined Standard Liège in July 2026 on a contract until June 2029. He has been capped by Bulgaria at under-21 level after representing England at under-15.
Made his professional debut in an FA Cup match in January 2020.
Received his first Bulgaria under-21 call-up in November 2021 and debuted against the Netherlands.