Wainwright gave up Segura's two-run home run in the first, but nothing more until three runs in the sixth ended his start and put the Brewers ahead 5-4.
Gomez hit a one-out solo home run. Martin Maldonado singled, advanced on Alex Gonzalez' single and both scored on pinch-hitter Jonathan Lucroy's double. After Wainwright hit Aoki for the second time in the game, Joe Kelly took over and got Segura to hit into a double play.
NOTES: Gorzelanny had his scoreless streak of six games snapped with a home run in the seventh. ... Brewers INF Yunieskey Betancourt' single in the first was the 1,000th of his career. ... Brewers OF Carlos Gomez extended his hitting streak to 11 games with single in the first and raised his NL-leading batting average to .374. ... Cardinals RHP Jake Westbrook is the only starting pitcher in the NL who has not allowed a home run this season. ... Brewers 3B Aramis Rameriz sat out the game in a precautionary move. He played Friday night after missing 23 games due to a sprained right knee.