The Boston Red Sox suffered a brutal 3-2 walk-off loss to the Colorado Rockies on Monday night after Aroldis Chapman failed to record an out in the ninth inning at Coors Field.

The Red Sox carried a 2-1 lead into the ninth inning before Chapman allowed four consecutive hits, capped by Jake McCarthy’s bases-clearing walk-off triple that gave the Rockies a 3-2 victory.

MLB took to X, formerly Twitter, sharing the final swing that completed Colorado’s comeback.

“Jake McCarthy clears the bases with a WALK-OFF TRIPLE 😱”

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The loss wasted a strong outing from Red Sox rookie starter Jake Bennett, who threw six scoreless innings while allowing four hits and striking out nine. The Red Sox built a 2-0 lead in the sixth inning after Willson Contreras hit an RBI double and Caleb Durbin followed with an RBI single.

The Rockes began pressuring the Red Sox's bullpen in the eighth, when Garrett Whitlock allowed four straight one-out singles. The Red Sox escaped that inning without allowing a run after the Rockies had runners thrown out at home and second base.

The ninth inning went much differently. Chapman entered with Boston clinging to a one-run lead, then allowed three straight singles, including a bunt, to load the bases. McCarthy followed by driving a ball down the left-field line for the official three-run walk-off triple.

The Red Sox allowed eight consecutive hits across the final two innings, with the first seven going for singles. The collapse added to what has been a difficult season for Boston, which fell to 31-45 on the year as the 38-year-old flamethrower took the blown save and loss.