He currently plays for NEC Nijmegen, wearing the number 24 shirt. He plays primarily as a Defender. His current market value is estimated at 850K €.

His most recent move was a Free from Dordrecht to NEC Nijmegen on 2025-09-02. The reported fee was 0.85M €.

Throughout the Netherlands Eredivisie 2025-2026, Deveron Fonville featured in 20 matches, averaging 1.2 tackles, 0.6 interceptions, and 1.9 clearances per game, while blocking 0.2 shots per game.