BETFLYAISIGN IN
SEATTLESEA
69-78 · +3 AL WEST · W2 · 5-5 L10
@FRI 9:40 PM ETATH HOME PARK
59-88 · +4 AL WEST · W1 · 6-4 L10
ATH
Weather
—
Home plate ump
—
Injuries
No injury concerns
Series so far
3-game set · 0-0 so far in 2026
— PITCHING MATCHUP
George Kirby
RHP · SEAPROBABLE
STUFF+102
ERA
4.18
IP
159.1
K/9
7.5
BB/9
2.1
WHIP
1.34
L5 STARTS7.00 ERA · 16.9% K · 7.3% BB
PITCH MIX · SEASON
30%
29%
21%
10%
Sweeper4-Seam FastballSinkerCurveballChangeupCutter
Jeffrey Springs
LHP · ATHPROBABLE
STUFF+97
ERA
6.02
IP
130.0
K/9
7.2
BB/9
3.6
WHIP
1.45
L5 STARTS5.49 ERA · 15.9% K · 11.5% BB▲ TRENDING
PITCH MIX · SEASON
44%
26%
23%
4-Seam FastballSliderChangeupSweeper
— MODEL VS THE BOOKS

Book comparison posts as sportsbook lines and the engine's cycle sync come in — refreshed every ~30 minutes through game day.

— ENGINE PROBABILITIES · EVERY MARKETMariners 53%

25 simulated lines · raw sim

1 / 4

SEA ATH

Game Markets

SEA @ ATH · full-game reads

7 MARKETS

Moneyline

SEA to win

53%

1st 5 Innings

ATH F5

38%

Game Total

Over 8.5

49%

1st 5 Total

Over 4.5

53%

Run Line

ATH -1.5

30%

Team Total

SEA Over 4.5

48%

Team Total

ATH Over 4.5

39%

THE READ

SEA projects to outscore ATH by 0.69 runs across 5,000 trials.

  • Projected runs: SEA 4.77, ATH 4.08
  • George Kirby (SEA) vs Jeffrey Springs (ATH)
  • Run on league-average lineups — refreshes when lineups post
GK

George Kirby

SEA SP · vs. ATH

SP

Strikeouts

5+ Ks

41%

Strikeouts

6+ Ks

25%

Strikeouts

7+ Ks

14%

Strikeouts

8+ Ks

7%

Strikeouts

9+ Ks

3%

Outs Recorded

15+ outs

77%

Outs Recorded

18+ outs

54%

Hits Allowed

5+ hits

65%

Hits Allowed

6+ hits

53%

THE READ

Middle-of-the-road strikeout projection at 4.2 Ks.

  • Sim projects 4.2 strikeouts
  • 41% to reach 5+ against ATH
JS

Jeffrey Springs

ATH SP · vs. SEA

SP

Strikeouts

5+ Ks

27%

Strikeouts

6+ Ks

13%

Strikeouts

7+ Ks

6%

Strikeouts

8+ Ks

2%

Strikeouts

9+ Ks

1%

Outs Recorded

15+ outs

54%

Outs Recorded

18+ outs

20%

Hits Allowed

5+ hits

55%

Hits Allowed

6+ hits

42%

THE READ

Low-strikeout projection at 3.5 Ks — the ladder thins out fast above the first rung.

  • Sim projects 3.5 strikeouts
  • 27% to reach 5+ against SEA

BATTER CARDS
UNLOCK WHEN LINEUPS POST

The sim can't run a hitter until it knows he's in the lineup. Clubs post about two hours before first pitch, and every bat gets a card with HR, hits, total bases and RBI.

— SPLITS THAT MATTER

GEORGE KIRBY SPLITS

How this pitcher performs by batter hand + how ATH hits LHP

vs Right-handedK%21.7%OPS-against.759
vs Left-handedK%18.4%OPS-against.782
ATH vs LHP (team)OPS.723K%24.5%

JEFFREY SPRINGS SPLITS

How this pitcher performs by batter hand + how SEA hits RHP

vs Right-handedK%18.5%OPS-against.841
vs Left-handedK%17.4%OPS-against.879
SEA vs RHP (team)OPS.710K%22.9%
— LINEUPS

AWAY LINEUP

Awaiting lineup — teams typically post 3-4 hours before first pitch.

HOME LINEUP

Awaiting lineup — teams typically post 3-4 hours before first pitch.

— CAREER MATCHUPS

ATH BATTERS vs GEORGE KIRBY

No meaningful career history with this pitcher.

9 additional batters hidden (small sample or no history).

SEA BATTERS vs JEFFREY SPRINGS

No meaningful career history with this pitcher.

9 additional batters hidden (small sample or no history).

— SERIES HISTORY
THIS SERIES
SEA 0·ATH 0
3-game set · gm 1 of 3
2026 SEASON
SEA 6·ATH 5
11 played · 8 remaining
ALL-TIME (2010-)
93%SEA
SEA 180 · ATH 13 · since 2010
NOTABLE RECENT MEETINGS
2026-09-06SEA 2-0 · Pitchers duel
2026-09-06ATH 6-2
2026-09-05ATH 7-6 · One-run game
— MARKET SNAPSHOT

Market snapshot unavailable (no recent odds).

— LINEUP FORM · L15

SEA OFFENSE

.275L15 team wOBA
-41 pts vs LG AVG · BOTTOM 6

ATH OFFENSE

.308L15 team wOBA
-8 pts vs LG AVG · BELOW AVG
— ENVIRONMENT

Park factors unavailable.

WEATHER · FIRST PITCH

Forecast loading — check back within 3 hours of first pitch.

HOME PLATE UMPIRE

Umpire assignment posts ~24h before first pitch.

— INJURY REPORTclean
Injury report unavailable.
MODEL READ · EDGE + SHARP TIERS

SPINE READ DROPS AT T−3H

Everything above — pitching, lineups, splits, market, umpire, injuries — is free. Our sabermetric simulation engine runs a 5,000-trial forecast at 3 hours before first pitch and publishes the read here alongside spine probabilities, market edge, and per-layer reasoning.

Free tier: preview only · EDGE $10/MO · SHARP $25/MO unlocks the read

UNLOCKS IN--:--:--GO EDGE · $10/MO