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FinalFinal lineupsAL West / AL East

Seattle Mariners 8, Boston Red Sox 9

Final Score and Game Recap

Final score, pitching lines and standings context.

6:45 PM ET · Fenway ParkGame-day snapshot Aug 31, 9:55 PM ETFinal lineups lockedCurrent 2026 season stats — updated Oct 12, 5:00 AM ET
T-Score45
Seattle Mariners
76–86 · 3rd AL West · T-Score 45
8
8–9
FINAL
Boston Red Sox
87–75 · 3rd AL East · T-Score 56
9
T-Score56
FINAL

Matchup at a glance

PitcherStat calculation
CategoryComparisonWhy
Starting pitcherSoxBoston has the stronger starting-pitcher profile: Tolle leads in P-Score, WHIP and K/9.
Offense vs handSoxBoston owns a .711 OPS vs RHP, 22th in MLB; Seattle ranks 30th vs LHP.
BullpenSoxBoston owns a 3.42 bullpen ERA this season, compared with Seattle's 3.90.
Recent formSoxBoston has been the better recent team, at 6–4 over the last 10.
WeatherLow impact62°F, wind 3 mph, no precipitation expected at first pitch.

Starting pitchers

SEA
George Kirby RHP
George Kirby
Seattle Mariners
2026 season (MLB rank among qualified starters)
ERA
4.02
125th
WHIP
1.33
156th
K/9
7.68
136th
BB/9
2.07
47th
P-Score54i
FIP
–
HR/9
1.04
99th
OPS/R
–
IP
147.2
Last 5 starts
ERA
4.45
QUALITY
START %
40%
(2 of 5)
DAYS
REST
6
BOS
Payton Tolle LHP
Payton Tolle
Boston Red Sox
2026 season (MLB rank among qualified starters)
ERA
3.09
30th
WHIP
1.09
28th
K/9
10.13
27th
BB/9
2.51
46th
P-Score72i
FIP
–
HR/9
1.01
52nd
OPS/R
–
IP
125.1
Last 5 starts
ERA
2.37
QUALITY
START %
60%
(3 of 5)
DAYS
REST
6
How the starters differ
·Tolle strikes out 2.5 more batters per nine innings.
·Tolle allows fewer baserunners, with a 1.09 WHIP compared with 1.33.
·Tolle enters with a 3.09 ERA compared with Kirby's 4.02.
·Tolle has produced a quality start in 60% of outings versus 40%.
Advanced starter metricsERA−, FIP, WAR, career vs opponent
MetricKirbyTolleNote
Career vs opponent– ERA, 6 GS4.50 ERA, 1 GSCareer history against this opponent.

How the lineups match the starters' pitch mix

Pitch data coverage: partial. Usage and velocity only.

Kirby arsenal
PitchUsageVelo
Sweeper28%87.4
Four-seam28%96.7
Sinker21%96.8
Knuckle Curve10%84.1
Changeup5%88.8
Cutter4%92.9
Splitter2%87.2
Tolle arsenal
PitchUsageVelo
Four-seam45%96.1
Sinker24%94.8
Cutter19%88.6
Curveball9%82.9
Changeup3%88.6

Team OPS vs opposing starter's hand

Mariners vs LHP (Payton Tolle)
30th
in MLB
0.655OPS
.600.700.800.9001.000
Sox vs RHP (George Kirby)
22nd
in MLB
0.711OPS
.600.700.800.9001.000

Lineups

Final lineupsOrder from the stored snapshot; treat as unofficial until the card is filed.Full lineup page
Seattle MarinersOfficial lineupvs LHP Payton Tolle
#HitterPosH-ScoreOPSHRvs LHPVs Tolle (BvP)
1Randy ArozarenaRLF75.86526.871No MLB historyNo history
2Dominic CanzoneLDH78.82023.8471-for-3Very small sample
3Julio RodríguezRCF61.70822.6721-for-2Very small sample
4Cal RaleighSC59.66423.5730-for-3Very small sample
5Josh NaylorL1B50.66710.7130-for-2Very small sample
6Taylor WardRDH54.6707.7122-for-2Very small sample
7Cole YoungL2B55.69317.5841-for-2Very small sample
8Weston WilsonR3B29.5894.5771-for-2Very small sample
9J.P. CrawfordLSS55.68714.6241-for-3Very small sample
1Randy Arozarena LF · R.281 / .865 · 26 HRvs hand .871 · No MLB history · No history75H-Score2Dominic Canzone DH · L.264 / .820 · 23 HRvs hand .847 · 1-for-3 · Very small sample78H-Score3Julio Rodríguez CF · R.247 / .708 · 22 HRvs hand .672 · 1-for-2 · Very small sample61H-Score4Cal Raleigh C · S.182 / .664 · 23 HRvs hand .573 · 0-for-3 · Very small sample59H-Score5Josh Naylor 1B · L.261 / .667 · 10 HRvs hand .713 · 0-for-2 · Very small sample50H-Score6Taylor Ward DH · R.225 / .670 · 7 HRvs hand .712 · 2-for-2 · Very small sample54H-Score7Cole Young 2B · L.246 / .693 · 17 HRvs hand .584 · 1-for-2 · Very small sample55H-Score8Weston Wilson 3B · R.201 / .589 · 4 HRvs hand .577 · 1-for-2 · Very small sample29H-Score9J.P. Crawford SS · L.221 / .687 · 14 HRvs hand .624 · 1-for-3 · Very small sample55H-Score
Boston Red SoxOfficial lineupvs RHP George Kirby
#HitterPosH-ScoreOPSHRvs RHPVs Kirby (BvP)
1Roman AnthonyLLF58.7355.817No MLB historyNo history
2Mickey GasperSDH66.82310.902No MLB historyNo history
3Ceddanne RafaelaRCF57.76516.7432-for-5Very small sample
4Wilyer AbreuLRF73.77324.7350-for-3Very small sample
5Nick SogardS2B51.7275.693No MLB historyNo history
6Caleb DurbinR3B52.71013.716No MLB historyNo history
7Jarren DuranLLF49.62720.6332-for-5Very small sample
8Trevor StoryRSS34.6225.6152-for-8Very small sample
9Connor WongRC38.6564.6310-for-5Very small sample
1Roman Anthony LF · L.245 / .735 · 5 HRvs hand .817 · No MLB history · No history58H-Score2Mickey Gasper DH · S.251 / .823 · 10 HRvs hand .902 · No MLB history · No history66H-Score3Ceddanne Rafaela CF · R.285 / .765 · 16 HRvs hand .743 · 2-for-5 · Very small sample57H-Score4Wilyer Abreu RF · L.248 / .773 · 24 HRvs hand .735 · 0-for-3 · Very small sample73H-Score5Nick Sogard 2B · S.255 / .727 · 5 HRvs hand .693 · No MLB history · No history51H-Score6Caleb Durbin 3B · R.248 / .710 · 13 HRvs hand .716 · No MLB history · No history52H-Score7Jarren Duran LF · L.207 / .627 · 20 HRvs hand .633 · 2-for-5 · Very small sample49H-Score8Trevor Story SS · R.235 / .622 · 5 HRvs hand .615 · 2-for-8 · Very small sample34H-Score9Connor Wong C · R.233 / .656 · 4 HRvs hand .631 · 0-for-5 · Very small sample38H-Score

Team comparison

OffenseSEASEA·BOSBOS
AVG.233 29th.245 14th
OPS.693 27th.717 18th
Home runs182 17th163 26th
Runs664 28th689 23rd
OBP.314 21st.319 11th
SLG.379 28th.398 19th
PitchingSEASEA·BOSBOS
1stMLB rank30th
ERA4.20vs3.54
SEABOS
WHIP1.27vs1.23
SEABOS
K/98.8vs8.7
SEABOS
HR Allowed194vs153
SEABOS
BullpenSEASEA·BOSBOS
1stMLB rank30th
Bullpen ERA3.90vs3.42
no league rank
Bullpen WHIP1.19vs1.23
no league rank
Saves35vs46
SEABOS
ResultsSEASEA·BOSBOS
+22327th
Run differential
+33613th
76–86 Record87–75
4–6 Last 106–4
Last 10 games
Seattle Mariners (4–6)
L
L
L
L
W
W
L
W
W
L
Boston Red Sox (6–4)
L
W
L
L
L
W
W
W
W
W
2026 head-to-head
Season Series
3—3
6 Games Played

Frequently asked

Who is starting for the Mariners?+
George Kirby (4.02 ERA, 9–10) is listed as the starter.
Who is starting for the Sox?+
Payton Tolle (3.09 ERA, 8–6) is listed as the starter.
What time does the game start?+
6:45 PM ET at Fenway Park.
Where is the game being played?+
Fenway Park, home of the Boston Red Sox.
Are the lineups confirmed?+
Not as official league cards. The orders shown are the current projected or last-posted lineups.
How have the Mariners and Sox performed head-to-head?+
Season series: Sox 3–3 this season.
How do the starters compare on P-Score?+
George Kirby is at 54; Payton Tolle is at 72. P-Score is PitcherStat's 0–100 season index for qualified starters.