Diamondbacks complete late surge to beat Cubs, Waldschmidt walk-off caps tense night

The Arizona Diamondbacks finished a comeback that felt like it could unravel at any moment, erasing a deficit and closing with a ninth-inning walk-off against the Chicago Cubs. After going scoreless for most of the evening and managing only two hits through 7.2 innings, the Diamondbacks strung together the key swings late, capped by Ryan Waldschmidt’s go-ahead blast in the bottom of the ninth.

The path to the win was not clean. Brandon Pfaadt was on the mound for Arizona in a game where the Cubs did not need a prolonged offensive burst to make things uncomfortable. Even with Pfaadt producing another strong outing, Chicago was able to mount enough pressure to put Arizona behind, including four runs against him as the matchup tightened.

Defense and health added to the tension early. The Diamondbacks had multiple injury scares in the outfield, beginning with a collision involving Vargas and Carroll. The concern deepened later when Jordan Lawlar took a pitch off the helmet, with a piece of protective gear appearing to chip away from the impact. Arizona had to continue executing through an emotionally charged stretch where both movement and attention were on alert.

Arizona’s late awakening started with Gabriel Moreno, whose at-bat created the first real offensive seam. With one situation shifting from foul to fair, Moreno check-swinged a double that helped turn the game into a rally opportunity. That moment set up the final push, with the Diamondbacks generating the kind of late-inning momentum they often need in October-contending races.

Then came the finishing sequence. With runners aboard and the Cubs trying to finish the game, Waldschmidt was called upon as a pinch-hitter. He responded by taking a pitch deep to left field, delivering a walk-off home run that sent the Diamondbacks to a dramatic win and provided a tangible boost in the Wild Card standings.

For the Diamondbacks, the significance is twofold: they showed the ability to win without carrying the game early, and they did it while navigating bullpen and lineup pressure created by a tense defensive stretch. For Chicago, the loss underscores how quickly a late lead can disappear once the opposition gets a rally started, even against a pitcher capable of limiting damage for long stretches.

What to watch next is whether Arizona can turn this kind of late-game efficiency into consistency, particularly in close contests where small defensive moments and timely swings decide the outcome. For the Cubs, the focus will be on sharpening late-inning execution, because the Diamondbacks’ ability to score in clusters makes them dangerous once they get their at-bats rolling.