Cleveland Browns 17-22 Kansas City Chiefs: Patrick Mahomes suffers concussion as Chiefs hold on to reach AFC Championship game Patrick Mahomes exited the game in the third quarter after having sustained what was later ruled a concussion while attempting to convert on third-and-one. He was replaced by Chad Henne under center By Cameron Hogwood 5:49 Highlights of the Cleveland Browns against the Kansas City Chiefs in the AFC Divisional Round Backup quarterback Chad Henne orchestrated an incredible final drive as the Kansas Chiefs survived the loss of Patrick Mahomes to a second-half concussion to hold on for a 22-17 victory over the Cleveland Browns and set up an AFC Championship game showdown with the Buffalo Bills.