He currently plays for Samartex, wearing the number 17 shirt. He plays primarily as a Defender. His current market value is estimated at 75K €.

His most recent move was a Free from Skyy Football Club to Samartex on 2022-08-11.

Throughout the Ghana Premier League 2025-2026, Isaac afful featured in 16 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.