The New York Yankees defeated the Boston Red Sox 1-0 on March 18, 2026, at George M. Steinbrenner Field, with the DiamondIQ model's estimate moving from a 68% pre-game home win probability all the way to 100% by game's end. New York managed just one hit against a Boston staff that surrendered only one run, while the Red Sox stranded seven hits and compounded their offensive struggles with two errors.
The game's decisive sequence arrived in the bottom of the eighth inning, though the path to that moment was shaped as much by Boston's failures as New York's execution. In the top of the eighth, Allan Castro's groundout off Brent Headrick cost the Red Sox 15.2 percentage points of win probability, and Ronald Rosario's subsequent strikeout against Headrick shed another 13.1 points, effectively draining Boston's remaining opportunity to score. On the other side, Seth Brown's strikeout by Tyler Uberstine in the bottom of the eighth added 12.9 percentage points to New York's win probability, stabilizing the Yankees' slim lead. Jason Delay's fourth-inning double off Carlos Lagrange had provided one of the few bright moments for Boston, generating a 6.9-point swing that briefly kept the Red Sox competitive, though the team never converted it into a run.
Among the standout performers, Connelly Early led all pitchers with a 26.2% WPA contribution, followed by Carlos Lagrange at 24.4% and Tyler Samaniego at 20.1%, reflecting a strong collective effort from the New York pitching staff that neutralized a Boston lineup that managed to reach base but consistently failed to push across runs. On the offensive side, Seth Brown led position players at plus-12.9% WPA, while Tsung-Che Cheng contributed plus-8.1% WPA alongside a plus-0.5 RE24 mark. The DiamondIQ model favors the Yankees in this type of low-run environment, and New York's pitching depth proved to be the difference in a game decided by a single run.
Analysis generated by DiamondIQ's model.