The Cubs' Ian Happ follows connects for a three-run home run off Colorado Rockies relief pitcher Luis Peralta in the eighth inning of a Sunday’s game in Denver. AP

DENVER — Pinch-hitter Mickey Moniak hit a walk-off RBI triple, Tanner Gordon struck out a career-high nine and the Colorado Rockies beat the 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.

Orlando Arcia had three hits and an RBI for Colorado, and Braxton Fulford added two hits and an RBI. Ryan Ritter had two hits and scored the winning run, and Brenton Doyle drove in two runs.

Gordon allowed two earned runs in six innings. Juan Mejia (2-1) picked up the win, striking out t

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