Sylvester Jasper is a 24-year-old professional football player from BUL. At the international level, he represents Bulgaria U21. He plays primarily as a Forward. He stands at 180cm tall and weighs 75kg. His preferred foot is Right. His current market value is estimated at 1.8M €.

His most recent move was a Free from FK Zeleznicar Pancevo to Standard Liege on 2026-07-31. The reported fee was 1M €.

In the Serbian Mozzart Bet Superliga 2025-2026 season, Sylvester Jasper scored 5 goals and provided 2 assists across 22 appearances, averaging 0.2 goals per game with 39 shots attempted and 19 on target.