One-Time Michigan Pledge, Colorado LB Enters Transfer Portal

A one-time Michigan pledge who flipped to Colorado last year, Mantrez Walker, a former four-star out of Georgia, has entered his name into the transfer portal after one season in Boulder:

Colorado freshman linebacker Mantrez Walker is entering the transfer portal, his agency @APSportsAgency tells @mzenitz and @chris_hummer.

The Georgia native was part of the Buffaloes’ 2025 recruiting class. pic.twitter.com/0copdFaTgV

— 247Sports Transfer Portal (@247SportsPortal) December 1, 2025

Walker did not see action as a freshman for CU so it’s unclear how hot of a market he will have in the portal.