Freddy Peralta and three relievers shut out the Arizona Diamondbacks on two hits in a 5-0 win Tuesday night.
Kolten Wong and Christian Yelich homered as Milwaukee held on to the tie for first place in the National League Central Division with the Cubs.
Arizona returned to its losing ways after breaking a 17-game losing streak the night before.
Peralta started and went the first six innings, allowing just one hit and striking out 10.
He now has seven wins.
Brandon Woodruff starts the rubber game of the series in Phoenix this afternoon at 2:40 PM, with coverage on 107.9 FM WOMT beginning at 2:05 PM.