Mickey Moniak’s Walk-Off Triple Lifts Rockies Over Cubs 6-4 in Denver Thriller on August 31, 2025

Sunday, August 31st, 2025

Colorado Rockies Walk Off Against Chicago Cubs, 6-4

The Colorado Rockies delivered a thrilling finish at Coors Field, defeating the Chicago Cubs 6-4 on Sunday and avoiding a series sweep. Pinch-hitter Mickey Moniak played the hero, knocking a walk-off RBI triple to cap the dramatic win.

Rockies Snap Losing Streak

With the victory, the Rockies ended a four-game skid and improved their record to 39-98, marking a high point as they wrapped up August with 11 wins, their best month this season. Despite holding the worst record in the majors, the Rockies found ways to shine during Sunday’s matchup.

Offensive Standouts for Colorado

Orlando Arcia contributed three hits and an RBI while Braxton Fulford added two hits and drove in one run. Ryan Ritter collected two hits and scored the game-winning run, and Brenton Doyle chipped in with two RBIs. These performances provided the Rockies' lineup with timely rallies and steady offense throughout the game.

Pitching Highlights

Rockies starter Tanner Gordon struck out a career-high nine batters over six innings, allowing only two earned runs. Reliever Juan Mejia (2-1) secured the win after pitching a perfect ninth inning with two strikeouts. For the Cubs, Daniel Palencia (1-5) was tagged with the loss.

Cubs Fight Back

The Cubs saw Ian Happ blast his 18th home run of the year—a three-run shot in the eighth inning off reliever Luis Peralta—that briefly tied the score. Kyle Tucker notched three hits, and Seiya Suzuki added two RBIs, but Chicago ultimately fell short in the final frame.

Key Moment

In the bottom of the ninth inning, Ryan Ritter led off with a single. Pinch-hitter Mickey Moniak then lined a pitch down the right-field line for a walk-off RBI triple, sending the Rockies fans home happy.

Key Stat

Cubs starting pitcher Matthew Boyd has now allowed at least four earned runs in each of his last three outings, continuing a stretch of tough starts on the mound.

Up Next

The Chicago Cubs return home to open a series against the Atlanta Braves on Monday, with right-hander Colin Rea (10-6, 4.23 ERA) scheduled to face Braves right-hander Spencer Strider (5-12, 4.95 ERA). The Rockies remain at home to take on the San Francisco Giants, with right-hander Chase Dollander (2-11, 6.55 ERA) set to oppose Giants lefty Carson Whisenhunt (2-1, 5.01 ERA).

In summary

The Colorado Rockies secured a 6-4 walk-off victory against the Chicago Cubs on August 31, 2025, thanks to Mickey Moniak’s clutch triple in the bottom of the ninth. Key contributions from Orlando Arcia, Braxton Fulford, and standout pitching from Tanner Gordon helped Colorado snap a four-game losing streak. Ian Happ’s home run tied the game late for the Cubs, but the Rockies’ resilience led them to a dramatic win, setting the stage for new series as both teams move forward in the MLB season.

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