William Grainger is a 17-year-old professional football player from WAL. He currently plays for Sheffield Wednesday, wearing the number 19 shirt. He plays primarily as a Forward. His preferred foot is Right. His current market value is estimated at 100K .

His most recent move was a from Sheffield Wednesday U18 to Sheffield Wednesday on 2026-07-01.

In the FA Cup 2025-2026 season, William Grainger scored 0 goals and provided 0 assists across 1 appearances, averaging 0 goals per game with 0 shots attempted and 0 on target.