Red Sox and Mariners square off in series rubber match

Updated Sep. 2, 2026 4:01 a.m. ET

Associated Press

Seattle Mariners (65-74, third in the AL West) vs. Boston Red Sox (75-64, third in the AL East)

Boston; Wednesday, 4:10 p.m. EDT

PITCHING PROBABLES: Mariners: Bryce Miller (4-8, 4.12 ERA, 1.08 WHIP, 92 strikeouts); Red Sox: Patrick Sandoval (1-3, 4.20 ERA, 1.71 WHIP, 48 strikeouts)

LINE: Red Sox -138, Mariners +113; over/under is 8 1/2 runs

BOTTOM LINE: The Boston Red Sox and Seattle Mariners play on Wednesday with the winner claiming the three-game series.

Boston has a 35-33 record in home games and a 75-64 record overall. The Red Sox have the second-ranked team ERA in the AL at 3.64.

Seattle is 65-74 overall and 28-43 in road games. The Mariners have gone 41-11 in games when they scored five or more runs.

The matchup Wednesday is the sixth time these teams square off this season. The Red Sox have a 3-2 advantage in the season series.

TOP PERFORMERS: Ceddanne Rafaela has 32 doubles, three triples, 16 home runs and 70 RBIs while hitting .282 for the Red Sox. Nick Sogard is 10 for 39 with three doubles and two home runs over the last 10 games.

Randy Arozarena leads the Mariners with 22 home runs while slugging .468. Cal Raleigh is 11 for 35 with six home runs and eight RBIs over the past 10 games.

LAST 10 GAMES: Red Sox: 5-5, .237 batting average, 5.26 ERA, outscored by 16 runs

Mariners: 4-6, .211 batting average, 6.61 ERA, outscored by 25 runs

INJURIES: Red Sox: Kutter Crawford: 60-Day IL (wrist), Tayron Guerrero: 15-Day IL (shoulder), Masataka Yoshida: 10-Day IL (hamstring), Zack Kelly: 60-Day IL (elbow), Eduardo Rivera: 60-Day IL (undisclosed), Willson Contreras: 10-Day IL (hamstring), Justin Slaten: 15-Day IL (elbow), Johan Oviedo: 60-Day IL (elbow), Garrett Crochet: 60-Day IL (shoulder), Curtis Mead: 10-Day IL (hand), Triston Casas: 60-Day IL (knee), Tanner Houck: 60-Day IL (elbow)

Mariners: Brendan Donovan: 7-Day IL (head), Matt Brash: 60-Day IL (lat), Will Wilson: 60-Day IL (thumb), Nick Davila: 15-Day IL (shoulder), Colt Emerson: 60-Day IL (wrist), Emerson Hancock: 15-Day IL (groin), Luke Raley: 60-Day IL (elbow), Cole Wilcox: 15-Day IL (oblique), Logan Evans: 60-Day IL (arm)

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The Associated Press created this story using technology provided by Data Skrive and data from Sportradar.