He transformed Mahomes' Chiefs - now Walker faces team that let him go

The one that got away. The perfect match they let walk out the door. The ex that found a worldie new partner. Did they make a mistake? Did they take him for granted? And yes, we are still talking about football. 

Kenneth Walker III returns to Seattle for the first time since his blockbuster exit this Sunday as he leads out the Kansas City Chiefs against the same Seahawks team he inspired to Super Bowl glory back in February.