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Los Angeles Angels vs Seattle Mariners Preview

LAA at SEA 2026-09-26 preview: probable pitchers, projected lineups, NRFI/F5 model picks, weather, ballpark, and umpire context.

Los Angeles Angels at Seattle Mariners MLB game preview for September 26, 2026
LAA
Los Angeles Angels
Ryan Johnson RHP
@
9:40 PM ET
T-Mobile Park
SEA
Seattle Mariners
Kade Anderson LHP
Last updated Saturday, September 26, 2026

Key Facts

Matchup
Los Angeles Angels at Seattle Mariners
Date
Saturday, September 26, 2026
First Pitch
9:40 PM ET
Venue
T-Mobile Park
Probable Starters
Ryan Johnson (RHP) vs Kade Anderson (LHP)
Lineups
Projected
Last Updated
Sep 26, 12:22 AM ET

Betting Board

Lines not yet posted
Sportsbooks have not published markets for this matchup yet. Check back closer to first pitch, or see today's model-backed picks for games with live odds.

Model Angles

NRFI Model
Not yet available
Projected Total
TBD
Park Factor
0.95
Neutral · HR 0.92
First Pitch Weather
Roof
Climate controlled
The Los Angeles Angels visit the Seattle Mariners at 9:40 PM ET at T-Mobile Park. Probable starters: Ryan Johnson for Los Angeles Angels opposite Kade Anderson for Seattle Mariners. Lineups are projected until first pitch. This preview is built deterministically from projected lineups, probable starters, odds where available, a roofed ballpark note, park factors, and TheCapperIO model context.
  • Starter matchup: Ryan Johnson (Los Angeles Angels) vs Kade Anderson (Seattle Mariners).
  • Lineup status: projected until official release.
  • Park factor: 0.95 runs; venue T-Mobile Park.

Pitching Matchup

LAA Away
Ryan Johnson
RHP · 5-9 · 18 GS
ERA
4.93
WHIP
1.35
K/9
7.20
IP
95.0
Career: 5.25 ERA · 1.43 WHIP · 7.55 K/9
NRFI: 79.0%
1st Inn ERA: 4.74
SEA Home
Kade Anderson
LHP · 2-2 · 6 GS
ERA
4.18
WHIP
1.21
K/9
7.79
IP
32.1
Career: 4.18 ERA · 1.21 WHIP · 7.79 K/9

On the season, Kade Anderson holds the ERA edge in this matchup. Ryan Johnson carries a 4.93 ERA and 1.35 WHIP, while Kade Anderson sits at 4.18 ERA and 1.21 WHIP.
Strikeout rates: Ryan Johnson at 7.20 K/9, Kade Anderson at 7.79 K/9.
K projections: Ryan Johnson at 3.8 (line 4.0)
Kade Anderson projected at 3.2 (line 4.0).
Ryan Johnson has a 79.0% career NRFI rate. No first-inning data available for Kade Anderson.
This is a RHP vs LHP matchup, creating potential platoon advantages in both lineups.

Strikeout Projections

Ryan Johnson vs SEA
Proj: 3.8Line: 4.0
-0.2
Confidence:
Kade Anderson vs LAA
Proj: 3.2Line: 4.0
-0.8
Confidence:
View all K projections on SlateIQ

Our strikeout model weighs pitcher K rate, opponent lineup whiff tendency, park factors, and umpire zone size to project total strikeouts per starter.

Ryan Johnson (Los Angeles Angels) is projected for 3.8 strikeouts against a posted line of 4.0. The projection is close to the line with no actionable edge.
He faces a high-K lineup that strikes out at 24.8% with a 28.0% whiff rate.

Kade Anderson (Seattle Mariners) is projected for 3.2 strikeouts against a posted line of 4.0. The projection is close to the line with no actionable edge.
He faces a high-K lineup that strikes out at 29.1% with a 28.0% whiff rate.

The Los Angeles Angels lineup is more vulnerable to strikeouts in this matchup. Seattle Mariners batters K at 24.8%, Los Angeles Angels batters at 29.1%.

Lineup & Matchup Breakdown

Los Angeles Angels Projected
K%: 29.1
Whiff rate: 28.0%Team page
Seattle Mariners Projected
K%: 24.8
Whiff rate: 28.0%Team page
Batter vs Pitcher matchup tool

Lineups are projected as of this writing.

Los Angeles Angels K vulnerability: 29.1% strikeout rate, 28.0% whiff rate.

Seattle Mariners K vulnerability: 24.8% strikeout rate, 28.0% whiff rate.

Ballpark, Weather & Umpire

T-Mobile Park
Run Factor0.95
HR Factor0.92
Full park profile
  • T-Mobile Park carries a 0.95 run factor (neutral).
  • Home run factor: 0.92 — the park suppresses HR power.
  • Park notes: Cool maritime climate; Lower wall in right field; Retractable roof.
  • Roof: Retractable.

Climate controlled. Roof expected closed. Standard 72F conditions, no wind factor.

Home plate umpire: Not yet assigned. Umpire data will be added once the assignment is posted.

Run Projections & Total

Run projections not available for this game.

The Bottom Line
This is a data-first preview, not a pick. Check final odds once sportsbooks post markets. Confirm lineups at first pitch. Bet responsibly. 1-800-GAMBLER.
This preview is generated from thecapper.io projection models and publicly available data. All projections are model estimates, not guarantees. Gamble responsibly. If you or someone you know has a gambling problem, call 1-800-GAMBLER.