He currently plays for Stockport County, wearing the number 1 shirt. At the international level, he represents England U17. He plays primarily as a Goalkeeper. His preferred foot is Right.

His most recent move was a Transfer from Manchester City U21 to Stockport County on 2026-07-01.

In the English National League 2025-2026, oliver whatmuff played 30 matches, averaging 0 interceptions, 0 tackles, and 0 clearances per game.