BOSTON (Interstat) — In a back-and-forth contest defined by a wild fourth inning, the Boston Red Sox edged the Detroit Tigers 4-3 on Sunday evening at Fenway Park, securing a series victory in the regular season’s final weekend.

A crowd of 35,503 watched as the two teams traded three-run rallies in the fourth, but a clutch double from Jarren Duran ultimately provided the winning margin for the home team.

The victory improved Boston’s record to 89-73, while Detroit fell to 87-75, concluding the 2025 campaign for both clubs.

Boston drew first blood in the bottom of the first inning when designated hitter Masataka Yoshida launched a solo home run off Tigers starter Chris Paddack, sending a fly ball into the right field stands.

The game remained a tight 1-0 pitchers’ duel until the top of the fourth, when the Detroit offense erupted. Justyn-Henry Malloy and Kerry Carpenter led off the inning with consecutive singles against Red Sox starter José De León. After a fielder’s choice put runners on the corners, veteran shortstop Javier Báez connected for a monumental three-run homer, driving the ball to left-center field to give the Tigers a 3-1 lead.

The advantage was short-lived. The Red Sox immediately answered in the bottom half of the frame, mounting a rally of their own against a struggling Paddack. After a fly out, Connor Wong worked a walk. Second baseman David Hamilton then stepped up and delivered the pivotal blow, crushing a two-run home run to right-center field to tie the game 3-3.

The Boston onslaught continued as Nick Sogard followed with a double. Duran then put the Red Sox ahead for good, lacing a sharp double to center field that easily scored Sogard from second.

De León earned the win for Boston, improving to 1-0. He battled through 6 2/3 innings, surrendering three runs on eight hits while striking out eight. The loss was charged to Paddack, who fell to 5-12 after being tagged for four runs on seven hits over 4 1/3 innings of work.

Following De León, the Red Sox bullpen provided 2 1/3 innings of scoreless relief. Zack Kelly recorded an out in the seventh, Steven Matz retired the only batter he faced to end that inning, and Tanner Rainey, despite not allowing a hit over two innings for Detroit, was followed by Paul Sewald who also threw 1 2/3 hitless frames.

In the ninth, Boston closer Greg Weissert sealed the victory, striking out two batters around a single and a walk to strand the potential tying and go-ahead runs on base. The save was his fourth of the season.

Offensively, the Tigers out-hit the Red Sox nine to seven, but grounded into two critical double plays that stifled potential rallies. Báez’s three-run homer accounted for all of Detroit’s runs and RBIs. For Boston, Hamilton’s two-RBI homer and Duran’s go-ahead double were the key hits in a balanced attack.

The game, which took 2 hours and 31 minutes to complete, concluded the three-game set and the 2025 season for both American League clubs. The result defied pregame projections from Interstat, which had heavily favored Boston with a 57.8 percent win probability and a simulated final score of 6-1. The combined seven total runs also fell under the posted over/under line of 9.