Racing PositionsHenne calls it a career after Chiefs' SB triumph3YHow bad is Patrick Mahomes' high ankle sprain? What's next for the QB and Chiefs4YStephania Bell, Adam TeicherHobbled Mahomes leads Chiefs to AFC title game4YAdam TeicherWhich teams have the best -- and worst -- backup QB situations? We stacked them5YKevin SeifertChiefs' 53-man roster projection has them heavy on offensive line5YAdam TeicherChiefs without Patrick Mahomes still in capable hands of Chad Henne -- just don't ask about hashtags6YAdam Teicher'HenneThingIsPossible': Social media reacts to Chiefs' fourth-down conversion6YESPNHenne gives Chiefs lift after Mahomes concussed6YAdam TeicherChiefs to rest Mahomes for finale; Henne to start6YAdam TeicherSources: Mahomes could return in under 3 weeks1YAdam Schefter