He is on the books of Viktoria Aschaffenburg and wears shirt number 5. His main role on the pitch is Defender. His stronger foot is Right. His estimated market valuation currently stands at 75K €.

His latest transfer saw him join Viktoria Aschaffenburg from SV Viktoria Aschaffenburg U19 via on 2021-06-30.

Across the German Regionalliga 2025-2026, N. Borger appeared in 15 matches and averaged 0.1 tackles, 0.2 interceptions, 0.2 clearances, and 0 blocked shots per game.