He is on the books of Astoria Walldorf and wears shirt number 10. His main role on the pitch is Midfield. He measures 173cm in height and weighs 67kg. His stronger foot is Right.

Over 22 appearances in the German Regionalliga 2025-2026, M. Waack contributed 3 goals and 0 assists, completed 0 key passes from 0 total passes, and posted a passing accuracy of -.