He currently plays for Rochdale, wearing the number 1 shirt. At the international level, he represents England U17. He plays primarily as a Goalkeeper.

His most recent move was a Loan from Rochdale to Manchester City U23 on 2026-05-31.

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