Pinch-hitter Mickey Moniak hit a walk-off RBI triple, Tanner Gordon struck out a career-high nine and the Colorado Rockies beat the Chicago Cubs 6-4 on Sunday to avoid a series sweep.

The major league-worst Rockies snapped a four-game losing streak to improve to 39-98. They finished August with 11 wins, their most in any month this season.

Juan Mejia (2-1) picked up the win, striking out two in a perfect ninth. Daniel Palencia (1-5) took the loss.

Ian Happ hit his 18th homer of the season for the Cubs, a tying three-run shot off reliever Luis Peralta in the eighth. Kyle Tucker had three hits, and Seiya Suzuki drove in two runs for Chicago.

The Cubs return home to face Atlanta on Monday, with RHP Colin Rea (10-6, 4.23 ERA) set to start opposite Braves RHP Spencer Strider (5-12, 4,95).

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