The Arizona Diamondbacks defeated the Boston Red Sox 4-1 at Fenway Park, marking their fifth consecutive victory and securing the series win. Zac Gallen delivered a standout performance, pitching six scoreless innings, allowing only two hits while striking out nine batters. Eugenio Suárez played a key role offensively, hitting a two-run double off the Green Monster, contributing to a 2-0 lead in the fourth inning. Despite Gallen's occasional walks, the Red Sox struggled offensively, managing just three hits throughout the game. The Diamondbacks, now 74-56, have won 23 of their last 29 games, positioning themselves at the top of the NL wild-card standings. The series finale is set to feature Merrill Kelly on the mound against Tanner Houck for the Red Sox.