Chiefs Defeat 49ers in Stunning Super Bowl Comeback. Football, Super Bowl, Kansas City Chiefs, San Francisco 49ers, Mahomes, Patrick (1995- ), Garoppolo, Jimmy (1991- ), Hill, Tyreek (1994- ), Kelce, Travis, Kittle, George (1993- ), Lynch, John T (1971- ), Mostert, Raheem (1992- ), Shanahan, Kyle (1979- ), Williams, Damien (1992- ), Reid, Andy