Sports Today Sunday, September 13
← Back to today’s slate MLB matchup · September 13, 2026
Seattle Mariners
70-79 · 3rd in AL West, 5 GB
Bats heating up
RHP Bryce Miller · High-strikeout arm
@
Athletics
60-89 · 4th in AL West, 15 GB
Steady at the plate
LHP Jacob Lopez · Balanced starter
MLB · Sutter Health Park, hits run 12% above average here · 1:05 PM PT

Team Identity

Seattle Mariners
Season-to-date, 149 games, 5,769 PA.
A below-league-average offense across most categories this season. The bats have been heating up lately.
Power
Well Below21
Contact
Well Below16
Plate Discipline
Average50
Speed
Average48
RISP
Well Below22
Recent Form
Trending Up
Hit rate is up 20% over the team's last 10 games versus its season baseline.
Athletics
Season-to-date, 149 games, 5,826 PA.
An opportunistic offense that cashes in scoring chances, though it can be station-to-station.
Power
Average62
Contact
Average62
Plate Discipline
Below Avg39
Speed
Below Avg32
RISP
Above Avg76
Recent Form
Holding Steady
Recent underlying offense is roughly in line with 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

Jacob Lopez strikes hitters out at a 20.2% clip (40th percentile); Mariners carry a 22.4% strikeout rate.

Momentum

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

Key Matchups

Can Jacob Lopez miss enough bats?
Jacob Lopez strikes hitters out at a 20.2% clip (40th percentile); Mariners carry a 22.4% strikeout rate.
Edge · MarinersJacob Lopez: 20.2% K rateMariners: 22.4% K rateHigh confidence
Can Bryce Miller limit Athletics' power?
Athletics rank in the 62nd percentile in extra-base production, while Bryce Miller sits in the 25th percentile at suppressing total bases.
Edge · AthleticsAthletics: 0.349 TB/PABryce Miller: 0.380 TB/PA allowed (424 PA)High confidence
How do Mariners handle left-handers?
Mariners have produced worse against left-handers this season (0.288 vs. 0.324 TB/PA overall).
Edge · Jacob Lopezvs left-handers: 0.288 TB/PA (1881 PA)overall: 0.324 TB/PAModerate confidence
Can Bryce Miller miss enough bats?
Bryce Miller strikes hitters out at a 23.8% clip (70th percentile); Athletics carry a 21.7% strikeout rate.
Edge · AthleticsBryce Miller: 23.8% K rateAthletics: 21.7% K rateHigh confidence
Can Jacob Lopez limit Mariners' power?
Mariners rank in the 21st percentile in extra-base production, while Jacob Lopez sits in the 41st percentile at suppressing total bases.
Edge · Jacob LopezMariners: 0.324 TB/PAJacob Lopez: 0.351 TB/PA allowed (516 PA)High confidence

Pitcher Trends

Bryce Miller
Bryce Miller
Seattle Mariners · 8 starts
SP
Strikeouts3.8/start
Hits allowed5.2/start
5 or fewer Strikeouts — 5 of last 65 or fewer Hits Allowed — 3 of last 6
24% K rate
Per-start form only — opponent lineup, park, and pitch count aren't modeled.
Jacob Lopez
Jacob Lopez
Athletics · 8 starts
SP
Strikeouts6.4/start
Hits allowed5.0/start
6+ Strikeouts — 4 of last 65 or fewer Hits Allowed — 4 of last 6
20% K rate
Per-start form only — opponent lineup, park, and pitch count aren't modeled.

Player Trends

Max Muncy
Max Muncy
Athletics · 0.379 hit rate · 0.586 TB/PA
Heating up
recent games · 1+ hit
L54 / 5L107 / 10L2514 / 254-game hit streak
Hit rate is up 109% over his prior baseline, with hits in 7 of his last 8 games. He has trimmed his strikeout rate to 24%.
Henry Bolte
Henry Bolte
Athletics · 0.283 hit rate · 0.565 TB/PA
Heating up
recent games · 1+ hit
L55 / 5L109 / 10L2519 / 257-game hit streak
Total bases per PA is up 77% over his prior baseline, with hits in 9 of his last 10 games. He has trimmed his strikeout rate to 24%.
Weston Wilson
Weston Wilson
Seattle Mariners · 0.304 hit rate · 0.348 TB/PA
Heating up
recent games · 1+ hit
L51 / 5L103 / 10L259 / 25
Hit rate is up 87% over his prior baseline, with hits in 2 of his last 7 games. He has trimmed his strikeout rate to 22%.
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.
Jonah Heim
Jonah Heim
Athletics · 0.139 hit rate · 0.250 TB/PA
Cooling off
recent games · 1+ hit
L52 / 5L107 / 10L2512 / 252-game hit streak
On-base rate is down 38% over his prior baseline, with hits in 5 of his last 8 games. His strikeout rate has climbed to 22%.
Lawrence Butler
Lawrence Butler
Athletics · 0.170 hit rate · 0.319 TB/PA
Cooling off
recent games · 1+ hit
L51 / 5L105 / 10L2519 / 25
On-base rate is down 32% over his prior baseline, with hits in 5 of his last 10 games. His strikeout rate has climbed to 28%.

Players Positioned to Succeed

80
Jeff McNeil
Jeff McNeil
1+ Hit
Athletics
Why it stands out
Strong recent plate-appearance volume
Main risk
Recent hit rate has cooled
77
Henry Bolte
Henry Bolte
1+ Hit
Athletics
Why it stands out
Strong recent plate-appearance volume
Main risk
Lineup not yet posted
75
Brendan Donovan
Brendan Donovan
1+ Hit
Seattle Mariners
Why it stands out
Strong recent plate-appearance volume
Main risk
Lineup not yet posted
75
Cole Young
Cole Young
1+ Hit
Seattle Mariners
Why it stands out
Recent contact results are improving
Main risk
Lineup not yet posted
75
J.P. Crawford
J.P. Crawford
1+ Hit
Seattle Mariners
Why it stands out
Strong recent plate-appearance volume
Main risk
Recent hit rate has cooled
74
Dominic Canzone
Dominic Canzone
1+ Hit
Seattle Mariners
Why it stands out
Recent contact results are improving
Main risk
Lineup not yet posted

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 Moderate
  • Both probable starters grade around the 48th percentile in combined suppression.
  • Mariners are trending up; Athletics are trending steady.

Storylines to Watch

Does Athletics' power tilt the game?
Athletics bring a clearly stronger extra-base profile into this matchup.
Mariners power pct 21 vs Athletics 62
Is Max Muncy the one to watch?
Max Muncy enters as Athletics' hottest bat. Hit rate is up 109% over his prior baseline, with hits in 7 of his last 8 games. He has trimmed his strikeout rate to 24%.
0.379 hit rate · 0.586 TB/PA · 0.181 hit rate · 0.309 TB/PA
Can Mariners handle Jacob Lopez's strikeout stuff?
Mariners have been a below-average contact team while Jacob Lopez misses bats at an above-average rate — a swing factor early.
Mariners contact percentile: 16
Based on plate appearances before 2026-09-13, with today's posted lineups when available. Injuries, weather, bullpen availability, and park factors are not yet included.