He currently plays for Viktoria Aschaffenburg, wearing the number 5 shirt. He plays primarily as a Defender. His preferred foot is Right. His current market value is estimated at 75K €.

His most recent move was a from SV Viktoria Aschaffenburg U19 to Viktoria Aschaffenburg on 2021-06-30.

Throughout the German Regionalliga 2025-2026, N. Borger featured in 15 matches, averaging 0.1 tackles, 0.2 interceptions, and 0.2 clearances per game, while blocking 0 shots per game.