McGuire tied the game at 2 in the fifth inning with a solo shot off Reds starter Zack Littell (10-8), but Steer put Cincinnati back on top in the home half of the inning when he drove a first-pitch fastball from Drew Pomeranz (2-2) into the stands in left-center for his team-leading 21st homer.

Cincinnati Reds catcher Tyler Stephenson hit a two-run homer in the eighth inning of a 6-3 victory over the Chicago Cubs on Sept. 20.