Alex Smith performed his job flawlessly against his former team Friday night. Then, the Chiefs quarterback sat back and watched his understudies. First-round draft pick Patrick Mahomes II led the Kansas City Chiefs to a third-quarter touchdown, and outplayed veteran backup Tyler Bray, before the San Francisco 49ers rallied behind their own second-stringers for a 27-17 victory in the preseason opener for both teams. read more http://www.espn.com/nfl/recap?gameId=400951832