Games / MLB / Aug 31, 2026

Seattle Mariners 8, Boston Red Sox 9: final score and stats

Boston Red Sox beat Seattle Mariners, Seattle Mariners 8 to Boston Red Sox 9, on Monday, August 31, 2026 at Fenway Park, Boston, Massachusetts. Below: the box score, top performers, team stats, injuries and recent form for Boston Red Sox vs Seattle Mariners.

MLBMonday, August 31, 2026

Seattle Mariners64-748

Final

Boston Red Sox75-639

DateAug 31, 2026

Start time6:45 PM ET

VenueFenway Park, Boston, Massachusetts

TVMLB.TV

Attendance37,487

Line score

Team	1	2	3	4	5	6	7	8	9	OT	R
Seattle Mariners	1	0	1	0	1	4	1	0	0	0	8
Boston Red Sox	1	2	0	0	2	0	0	2	1	1	9

Top performers

Seattle Mariners

Batting AverageRandy Arozarena · 4-5, HR, 2B, 4 RBI, 3 R

Home RunsRandy Arozarena · 4-5, HR, 2B, 4 RBI, 3 R

Runs Batted InRandy Arozarena · 4-5, HR, 2B, 4 RBI, 3 R

MLB RatingRandy Arozarena · 4-5, HR, 2B, 4 RBI, 3 R

Boston Red Sox

Batting AverageNick Sogard · 2-4, 2B, 2 R

Home RunsJarren Duran · 1-4, HR, 2 RBI, R, BB

Runs Batted InTrevor Story · 2-5, 2B, 3 RBI, K

MLB RatingRoman Anthony · 2-4, 3B, 2B, 2 R, BB

Team comparison

Seattle MarinersBoston Red Sox

Runs per game

-

1.0

Runs allowed per game

-

9.0

64-74Record75-63

3rd in AL WestStanding3rd in AL East

0-0Road record / home record0-0

Last 5LL

-StreakL2

Injury report

Confirm lineups and injuries close to game time.

Seattle Mariners

Nick Davila RP · Shoulder - Sprain

Out

Matt Brash RP · Lat - Strain

Out

Colt Emerson SS · Wrist - Surgery

Out

Josh Naylor 1B · Wrist - Surgery

Out

Cal Raleigh C · Shoulder - Surgery

Out

Boston Red Sox

Roman Anthony LF · Hand - Strain

Out

Triston Casas 1B · Wrist - Surgery

Out

Romy Gonzalez DH · Elbow

Out

Eli White CF · Foot - Surgery

Out

Justin Slaten RP · Elbow - Inflammation

Out

Box score

Seattle Mariners

Player	H-AB	AB	R	H	RBI	HR	BB	K	#P	AVG	OBP	SLG
Randy Arozarena	4-5	5	3	4	4	1	0	0	13	.274	.371	.465
Dominic Canzone	2-5	5	0	2	2	0	0	1	15	.255	.328	.482
Brock Rodden	0-0	0	0	0	0	0	0	0	0	.150	.239	.250
Julio Rodriguez	1-5	5	0	1	1	0	0	2	21	.244	.305	.401
Cal Raleigh	1-5	5	1	1	1	1	0	1	16	.171	.287	.359
Josh Naylor	0-4	4	0	0	0	0	1	1	17	.267	.328	.363
Taylor Ward	1-4	4	0	1	0	0	0	1	16	.229	.363	.319
Victor Robles	0-0	0	0	0	0	0	0	0	3	.262	.322	.315
Cole Young	0-4	4	2	0	0	0	0	1	24	.244	.306	.384
Weston Wilson	1-4	4	1	1	0	0	1	3	22	.198	.292	.331
J.P. Crawford	1-2	2	1	1	0	0	1	1	16	.209	.327	.335
Team	11-38	38	8	11	8	2	3	11	163

Seattle Mariners

Player	IP	H	R	ER	BB	K	HR	PC-ST	ERA	PC
George Kirby	5.0	7	5	5	2	2	2	86-56	4.19	86
Seranthony Dominguez	1.0	0	0	0	0	0	0	8-7	4.44	8
Gabe Speier	1.1	0	0	0	1	1	0	15-9	2.58	15
Eduard Bazardo	0.1	3	2	2	0	0	0	13-9	3.25	13
Andres Munoz	1.1	1	1	1	0	3	0	15-11	4.35	15
Cooper Criswell	0.1	1	1	0	2	0	0	7-4	3.48	7
Team	9.1	12	9	8	5	6	2	144-96		144

Boston Red Sox

Player	H-AB	AB	R	H	RBI	HR	BB	K	#P	AVG	OBP	SLG
Roman Anthony	2-4	4	2	2	0	0	1	0	17	.248	.367	.368
Mickey Gasper	1-4	4	1	1	1	1	1	1	24	.277	.375	.482
Ceddanne Rafaela	2-4	4	0	2	3	0	0	1	16	.284	.319	.446
Wilyer Abreu	0-5	5	0	0	0	0	0	2	14	.254	.334	.464
Eli White	0-0	0	1	0	0	0	0	0	0	.232	.282	.372
Nick Sogard	2-4	4	2	2	0	0	0	0	20	.271	.370	.413
Caleb Durbin	1-2	2	1	1	0	0	2	0	12	.253	.327	.390
Jarren Duran	1-4	4	1	1	2	1	1	0	10	.207	.264	.369
Trevor Story	2-5	5	0	2	3	0	0	1	20	.220	.255	.324
Connor Wong	1-4	4	1	1	0	0	0	1	11	.246	.324	.369
Team	12-36	36	9	12	9	2	5	6	144

Boston Red Sox

Player	IP	H	R	ER	BB	K	HR	PC-ST	ERA	PC
Payton Tolle	5.2	6	4	4	2	6	1	96-64	3.23	96
Tyron Guerrero	0.1	3	3	3	1	0	0	13-7	3.26	13
Erik Miller	1.0	1	1	1	0	2	1	16-9	2.25	16
Alec Gamboa	2.0	1	0	0	0	1	0	23-14	1.13	23
Aroldis Chapman	1.0	0	0	0	0	2	0	15-11	1.77	15
Team	10.0	11	8	8	3	11	2	163-105		163

Recent form

Boston Red SoxLL

Sep 30, 2026 · at New York YankeesL 2-9

Sep 29, 2026 · at New York YankeesL 0-9

Season series

SEA wins series 2-1

Sep 2, 2026SEA 8, BOS 3

Sep 1, 2026SEA 9, BOS 6

Aug 31, 2026SEA 8, BOS 9

Team pages

Seattle Mariners
Schedule, roster and stats

Boston Red Sox
Schedule, roster and stats

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Baltimore Orioles2

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New York Yankees1

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Philadelphia Phillies2

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Frequently asked questions

Who won Seattle Mariners vs Boston Red Sox?

Boston Red Sox won, 9-8, on Monday, August 31, 2026.

What was the final score of Seattle Mariners vs Boston Red Sox?

Seattle Mariners 8, Boston Red Sox 9.

Who were the top performers?

Seattle Mariners: Randy Arozarena (4-5, HR, 2B, 4 RBI, 3 R batting average). Boston Red Sox: Nick Sogard (2-4, 2B, 2 R batting average).

Where is Seattle Mariners vs Boston Red Sox played?

Fenway Park, Boston, Massachusetts.

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Independent analysis for information and entertainment. Not betting advice. Scores, schedules, records and injuries can change.