He is on the books of Ostersunds FK and wears shirt number 14. His main role on the pitch is Defender. His estimated market valuation currently stands at 150K €.

His latest transfer saw him join Ostersunds FK from Bendel Insurance via Free on 2024-08-10.

Across the Sweden Superettan 2025, Sunday Anyanwu appeared in 27 matches and averaged 0 tackles, 0 interceptions, 0 clearances, and 0 blocked shots per game.