Saturday, Sep 5, 2026T-Mobile Park9:40 PM ETPreview

ATH · Away · 56-86·T-Score27↑1

Athletics

AL West · 4th · 17.0 GB

—:—

9:40 PM ET

H2H 6–7

SEA · Home · 66-76·T-Score41↓1

Seattle Mariners

AL West · 3rd · 7.0 GB

Starting pitcher matchup

Jeffrey Springs LHP

Athletics

2026 season (MLB rank among qualified starters)

ERA

6.37

211th

WHIP

1.50

191st

K/9

7.17

159th

BB/9

3.66

148th

P-Score28

FIP

6.28

HR/9

2.41

223rd

OPS/R

0.857

IP

123.0

2026 ERA splits

Home ERA7.18

Road ERA5.37

Last 5 starts

ERA

8.41

QUALITY
START %

0%

(0 of 5)

DAYS
REST

6

George Kirby RHP

Seattle Mariners

2026 season (MLB rank among qualified starters)

ERA

4.19

116th

WHIP

1.35

132nd

K/9

7.55

137th

BB/9

2.12

25th

P-Score59

FIP

3.80

HR/9

1.12

102nd

OPS/R

0.742

IP

152.2

2026 ERA splits

Home ERA3.21

Road ERA5.48

Last 5 starts

ERA

6.31

Team OPS vs opposing starter's hand (2026)

Athletics vs RHP (George Kirby)

12th

in MLB

0.728OPS

.600.700.800.9001.000

Seattle vs LHP (Jeffrey Springs)

30th

in MLB

0.634OPS

.600.700.800.9001.000

2026 season team comparison

Athletics

Stat

Seattle Mariners

0.248 (11th)

Batting Average

0.248 (29th)

0.727 (10th)

OPS

0.727 (28th)

172 (10th)

Home Runs

172 (15th)

625 (18th)

Runs Scored

625 (30th)

5.45 (30th)

Team ERA

5.45 (19th)

1.50 (29th)

Team WHIP

1.50 (11th)

8.58 (15th)

K/9 (Starters)

Runs scored & allowed per inning (2026)

Athletics

1

2

3

4

5

6

7

8

9

Runs Scored

0.54

0.37

0.50

0.39

0.64

0.40

0.63

0.42

0.48

Runs Allowed

Projected lineups vs opposing starter (2026)

Athletics vs LHP George Kirby

#

Player

Bats

AVG

OPS

HR

PA

1

Joshua Kuroda-Grauer

R

0.424

1.002

1

0

2

Michael Stefanic

R

0.500

1.000

0

3

Nick Kurtz

L

0.269

0.972

21

0

4

Shea Langeliers

R

0.237

0.747

23

0

5

Donovan Walton

L

0.285

0.845

5

0

Top hitters from roster with season splits vs pitcher hand — not the official batting order

Official starting lineups are published a few hours before first pitch. They will appear here and on the lineup page as soon as they are posted.

Lineup not yet announced · posted ~1–2 hrs before first pitch

Matchup Preview

Preview text not generated yet.

Last 10 games

Athletics (5–5)

W

L

W

Seattle Mariners (3–7)

L

W

L

W

2026 head-to-head

Season Series

6—7

13 Games Played

QUALITY
START %

20%

(1 of 5)

DAYS
REST

5

8.58 (14th)

0.72

0.55

0.58

0.56

0.77

0.69

0.56

0.78

0.53

Mariners

1

2

3

4

5

6

7

8

9

Runs Scored

0.51

0.55

0.37

0.42

0.46

0.49

0.41

0.37

Runs Allowed

0.53

0.34

0.54

0.46

0.42

0.54

0.58

0.61

0.46

Seattle vs RHP Jeffrey Springs

#

Player

Bats

AVG

OPS

HR

PA

1

Lazaro Montes

L

0.000

1

0

2

Randy Arozarena

R

0.287

0.865

22

0

3

Dominic Canzone

L

0.247

0.834

21

0

4

Brendan Donovan

L

0.188

0.479

3

0

5

Luke Raley

L

0.160

0.392

15

0

Top hitters from roster with season splits vs pitcher hand — not the official batting order

T-Mobile Park

☀

57°F

Clear

WindNW 5 mph

Precip Chance2%

Humidity71%

IMPACT ON GAME: Low

Odds

Athletics @ Mariners

ATH

+212▲ +4

SEA

— flat-236

TOTAL7.5—▼ -0.5

O-108▼ -208

U-104▲ +11

Athletics vs Seattle Mariners

Athletics

Seattle Mariners