Nothing separated the teams for nine innings until Masataka Yoshida broke through in the 10th. His single to right field brought Jarren Duran home with the game's only run, lifting Boston over Detroit 1-0 at Fenway Park.
Ranger Suarez anchored the victory with eight shutout innings, allowing just two hits while striking out four. The left-hander carried a 3.22 ERA into the contest and delivered his finest performance of the season, keeping Detroit's offense quiet throughout his lengthy outing.
The decisive moment came in the bottom of the 10th when Yoshida singled to right, scoring Duran and advancing Marcelo Mayer to second. Yoshida, batting .310 this season, delivered the clutch hit that ended the scoreless deadlock.
Casey Mize matched Suarez through 6.2 innings, allowing three hits and striking out seven with a 2.78 ERA. Will Vest took the loss after surrendering the walkoff hit in extra innings, falling to 1-3 on the season. Garrett Whitlock earned the win with a perfect 10th inning for Boston.
Boston snapped a losing streak to improve to 7-11, while Detroit's six-game winning streak ended as they fell to 10-9. Suarez is nine games away from his 200th career appearance.