Sports Super Bowl: Four key plays that changed the game, helped Chiefs to 31-20 victory against 49ers February 3, 2020 Jori Epstein, USA TODAY Comments Off on Super Bowl: Four key plays that changed the game, helped Chiefs to 31-20 victory against 49ers Chiefs coach Andy Reid took risks, Patrick Mahomes made plays and the defensive line stepped up as KC rallied for a wild Super Bowl win against 49ers.