Patrick Mahomes has graced the cover of Sports Illustrated countless times, but it's his wife who's getting the shine now -- Brittany was just named a rookie for the publication's swimsuit issue.
S.I. and Brittany shared the big news on Thursday ... showing the Kansas City Chiefs partner sporting several red one-pieces and bikinis during a photoshoot in Belize.
S.I. Swim editor M.J. Day addressed the decision to feature the famous WAG this year ... saying, "Owner of the Kansas City Current NWSL team, former pro athlete, wife and mother, Brittany emerges as the epitome of a modern-day powerhouse.