He is best friends friend with Mahomes' wife Brittany, and he maintains a friendly relationship with Travis Kelce's ex, Kelce Nicole. In fact, he recently slid into her Instagram comments so that he could give her a compliment on her most recent outfit.
One has to wonder how Kelce feels about that. However, considering the fact that he is now with Taylor Swift, he probably doesn't care that much. It definitely won't affect any chemistry as the Chiefs go for the first three-peat in NFL history.