The Miami Dolphins defeat the Kansas City Chiefs 20-10, spoiling the first official game at Arrowhead Stadium. The game was a rematch of the 1971 Divisional Playoffs, won by Miami 27-24 in double-overtime. It was the longest game in NFL history and the final game at Kansas City Municipal Stadium. The Dolphins held a 20-0 lead in the third quarter before holding off a late rally by the Chiefs. Larry Csonka led the Dolphins’ offense rushing for 118 yards on 21 carries and scoring a touchdown in the second quarter.