NFL-best Chiefs beat Texans while Ravens clinch playoff spot

Patrick Mahomes threw for one touchdown and ran for another as the Kansas City Chiefs improved to an NFL-best 14-1 on Saturday while the Baltimore Ravens beat Pittsburgh to secure a playoff berth.Baltimore's Lamar Jackson threw for 207 yards and three touchdowns and Derrick Henry ran for 162 yards as the Ravens ripped the Steelers 34-17 to clinch an NFL playoff berth.