Matt McClain's two-out, two-run home run off Diamondbacks right-hander Zac Gallen broke a 2-2 tie in the bottom of the seventh. It sent Arizona to a third straight loss.

The Reds won the series opener, which was completed Saturday after it was suspended Friday night due to rain. Cincinnati took the game in 10 innings, 4-3, and then took Saturday's originally-scheduled 4:10 p.m. matchup in a 13-1 rout.

Just three pitches into the sixth inning, the rain began to fall at Great American Ball Park. That's when the Reds' grounds crew decided to roll the tarp out on the field. The Reds trailed 2-0 early in the game,