Sports Today Friday, September 11
← Back to today’s slate MLB matchup · September 11, 2026
Seattle Mariners
69-78 · 3rd in AL West, 6 GB
Bats heating up
RHP George Kirby · Command specialist
@
Athletics
59-88 · 4th in AL West, 16 GB
Offense cooling lately
LHP Jeffrey Springs · Pitches to contact
MLB · Sutter Health Park, hits run 11% above average here · 6:40 PM PT

Team Identity

Seattle Mariners
Season-to-date, 147 games, 5,668 PA.
A below-league-average offense across most categories this season. The bats have been heating up lately.
Power
Well Below20
Contact
Well Below11
Plate Discipline
Average48
Speed
Average47
RISP
Well Below18
Recent Form
Trending Up
Hit rate is up 14% over the team's last 10 games versus its season baseline.
Athletics
Season-to-date, 147 games, 5,746 PA.
An opportunistic offense that cashes in scoring chances. The offense has cooled off recently.
Power
Average63
Contact
Average62
Plate Discipline
Below Avg40
Speed
Below Avg33
RISP
Above Avg73
Recent Form
Trending Down
Walk rate is down 15% over the team's last 10 games versus its season baseline.

What This Game Is About

Biggest Advantage

Athletics' offense is defined by being opportunistic, and this game tests whether Mariners can match it.

Swing Factor

Jeffrey Springs strikes hitters out at a 17.8% clip (24th percentile); Mariners carry a 22.7% strikeout rate.

Momentum

Mariners are trending up and Athletics are trending down over their last 10 games.

Key Matchups

Can Jeffrey Springs miss enough bats?
Jeffrey Springs strikes hitters out at a 17.8% clip (24th percentile); Mariners carry a 22.7% strikeout rate.
Edge · MarinersJeffrey Springs: 17.8% K rateMariners: 22.7% K rateHigh confidence
Can George Kirby limit Athletics' power?
Athletics rank in the 63rd percentile in extra-base production, while George Kirby sits in the 17th percentile at suppressing total bases.
Edge · AthleticsAthletics: 0.350 TB/PAGeorge Kirby: 0.400 TB/PA allowed (693 PA)High confidence
How do Mariners handle left-handers?
Mariners have produced worse against left-handers this season (0.282 vs. 0.320 TB/PA overall).
Edge · Jeffrey Springsvs left-handers: 0.282 TB/PA (1841 PA)overall: 0.320 TB/PAModerate confidence
Can George Kirby miss enough bats?
George Kirby strikes hitters out at a 19.0% clip (33rd percentile); Athletics carry a 21.8% strikeout rate.
Edge · AthleticsGeorge Kirby: 19.0% K rateAthletics: 21.8% K rateHigh confidence
Can Jeffrey Springs limit Mariners' power?
Mariners rank in the 20th percentile in extra-base production, while Jeffrey Springs sits in the 4th percentile at suppressing total bases.
Edge · MarinersMariners: 0.320 TB/PAJeffrey Springs: 0.453 TB/PA allowed (585 PA)High confidence

Pitcher Trends

George Kirby
George Kirby
Seattle Mariners · 8 starts
SP
Strikeouts3.6/start
Hits allowed6.6/start
6+ Hits Allowed — 5 of last 64 or fewer Strikeouts — 4 of last 6
19% K rate
Per-start form only — opponent lineup, park, and pitch count aren't modeled.
Jeffrey Springs
Jeffrey Springs
Athletics · 8 starts
SP
Strikeouts3.0/start
Hits allowed5.0/start
4 or fewer Strikeouts — 4 of last 64 or fewer Hits Allowed — 3 of last 6
18% K rate
Per-start form only — opponent lineup, park, and pitch count aren't modeled.

Player Trends

Brock Rodden
Brock Rodden
Seattle Mariners · 0.375 hit rate · 0.438 TB/PA
Heating up
recent games · 1+ hit
L54 / 5L104 / 10L2510 / 18
Hit rate is up 194% over his prior baseline, with hits in 4 of his last 5 games.
Cal Raleigh
Cal Raleigh
Seattle Mariners · 0.262 hit rate · 0.500 TB/PA
Heating up
recent games · 1+ hit
L54 / 5L109 / 10L2516 / 25
Hit rate is up 86% over his prior baseline, with hits in 8 of his last 9 games. He has trimmed his strikeout rate to 26%.
Max Muncy
Max Muncy
Athletics · 0.290 hit rate · 0.484 TB/PA
Heating up
recent games · 1+ hit
L54 / 5L106 / 10L2513 / 252-game hit streak
Hit rate is up 55% over his prior baseline, with hits in 5 of his last 8 games. He has trimmed his strikeout rate to 26%.
Lawrence Butler
Lawrence Butler
Athletics · 0.152 hit rate · 0.217 TB/PA
Cooling off
recent games · 1+ hit
L51 / 5L106 / 10L2519 / 25
On-base rate is down 45% over his prior baseline, with hits in 6 of his last 10 games. His strikeout rate has climbed to 33%.
Brian Serven
Brian Serven
Athletics · 0.125 hit rate · 0.188 TB/PA
Cooling off
recent games · 1+ hit
L53 / 5L106 / 10L2512 / 20
Total bases per PA is down 62% over his prior baseline, with hits in 2 of his last 4 games.
Julio Rodriguez
Julio Rodriguez
Seattle Mariners · 0.182 hit rate · 0.318 TB/PA
Cooling off
recent games · 1+ hit
L53 / 5L107 / 10L2515 / 252-game hit streak
On-base rate is down 31% over his prior baseline, with hits in 7 of his last 10 games. His strikeout rate has climbed to 25%.

Players Positioned to Succeed

83
Jeff McNeil
Jeff McNeil
1+ Hit
Athletics
Why it stands out
Batting 2nd, confirmed lineup
Main risk
Ice cold — 3 hits in the last 25 plate appearances
76
Randy Arozarena
Randy Arozarena
1+ Hit
Seattle Mariners
Why it stands out
Batting 2nd, confirmed lineup
No notable risk
76
Henry Bolte
Henry Bolte
1+ Hit
Athletics
Why it stands out
Batting 1st, confirmed lineup
Main risk
Elevated recent strikeout rate
74
Dominic Canzone
Dominic Canzone
1+ Hit
Seattle Mariners
Why it stands out
Batting 3rd, confirmed lineup
No notable risk
73
Cal Raleigh
Cal Raleigh
1+ Hit
Seattle Mariners
Why it stands out
Batting 4th, confirmed lineup
No notable risk
70
Zack Gelof
Zack Gelof
1+ Hit
Athletics
Why it stands out
Batting 3rd, confirmed lineup
Main risk
Ice cold — 3 hits in the last 25 plate appearances

Expected Game Shape

BalancedLow confidence

Competitive profile without a clear stylistic tilt. Mariners bring stronger recent momentum. Athletics bring more power.

Early edge Athletics Driver No single dominant factor Volatility Elevated
  • Both probable starters grade around the 30th percentile in combined suppression.
  • Mariners are trending up; Athletics are trending down.

Storylines to Watch

Does Athletics' power tilt the game?
Athletics bring a clearly stronger extra-base profile into this matchup.
Mariners power pct 20 vs Athletics 63
Is Brock Rodden the one to watch?
Brock Rodden enters as Mariners' hottest bat. Hit rate is up 194% over his prior baseline, with hits in 4 of his last 5 games.
0.375 hit rate · 0.438 TB/PA · 0.128 hit rate · 0.213 TB/PA
Can Lawrence Butler snap out of it?
Lawrence Butler has cooled off. On-base rate is down 45% over his prior baseline, with hits in 6 of his last 10 games. His strikeout rate has climbed to 33%.
0.152 hit rate · 0.217 TB/PA · 0.193 hit rate · 0.313 TB/PA
Based on plate appearances before 2026-09-11, with today's posted lineups when available. Injuries, weather, bullpen availability, and park factors are not yet included.