The Kansas City Chiefs remain undefeated after beating the San Fransisco 49ers at Levis Stadium in Week 7. The defen

Kansas City Chiefs quarterback Patrick Mahomes (15) runs past San Francisco 49ers linebacker Dee Winters (53) during the third quarter at Levi’s Stadium. Kyle Terada

Jordan Mason lost two short scores to his QB and was shut down by a KC defense allowing the fewest fantasy points to RBs, but he saw almost all the work returning from his shoulder injury. Isaac Guerendo fumbled during one of his two touches, and Mason became the first running back to run for 50 yards against Kansas City this season.