KANSAS CITY, Mo. — Before every game, Chiefs quarterback Patrick Mahomes puts on the same pair of red underwear, he confirmed last month on ESPN’s “ManningCast.” Then comes the more observable and substantial routine you can see for yourself before every game as he transitions his identity. “I’ve always said I’m two different people,” Mahomes told The Kansas City Star in an interview during training camp, adding, “Everyday me, and then the game-day me.” So he jogs out of the locker room in a hoodie and sprawls out on the bench for some 20 to 30 minutes. He gazes around as he strolls the field …
