Kansas City Chiefs quarterback Patrick Mahomes just tweeted his signature clock emoji. "So now it's just about getting that quarterback stuff down — moving in the pocket quick, making those quick moments, reacting, and doing stuff like that. The Chiefs won't need Mahomes to lead them in rushing after signing former Seattle Seahawks running back Kenneth Walker III, the reigning Super Bowl MVP. In eight years as Chiefs QB1, Mahomes has never benefitted from a 1,000-yard rusher. Mahomes won't be alone in his reasserting his dominance.