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Starting Pitcher · Seattle Mariners

George Kirby

RHP · Throws Right · Age 28Starter

ERA

3.76

FIP

–

110.0

W-L

7-8

WHIP

1.32

21.5

BB%

5.3

GB%

–

K/9

8.0

HR/9

0.9

Drafted by the Seattle Mariners in 2019 (round 1). He made his MLB debut on May 8, 2022.Facts: MLB StatsAPI (people · transactions)

No scheduled start today. The model projection and lineup matchup appear on start days.

Four-Seam Fastball

FF · lead pitch

30% of pitches · .310 xwOBA allowed · 550 BIP · where it goes, what it costs

Pitcher Locations

where he throws it · catcher’s view

Rare 0% · Common 10% · Very common 20%+

xwOBA Allowed

damage done by zone · all batters

Cold .200 · Avg .310 · Hot .500+

Expected Damage

locations × damage zones

Low risk · Average · High-risk zone

Four-Seam Fastball (30% usage) has allowed .310 xwOBA over 550 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

7 pitch types · 6,784-pitch sample · 2026/2025/2024 blend, weighted 4/3/1

Four-Seam Fastball FF

30% usage · 23% whiff · .310 xwOBA · 96.7 mph

Sweeper ST

28% usage · 28% whiff · .268 xwOBA · 87.2 mph

Sinker SI

24% usage · 11% whiff · .325 xwOBA · 97.0 mph

Knuckle Curve KC

10% usage · 29% whiff · .273 xwOBA · 83.8 mph

Changeup CH

4% usage · 26% whiff · .331 xwOBA · 88.7 mph

Splitter FS

3% usage · 31% whiff · .318 xwOBA

Cutter FC

1% usage · 17% whiff · .338 xwOBA · 93.2 mph

Whiff% Trend

last 8 outings · by pitch · min 5 swings per point

Four-Seam FastballSweeperSinker

Hand Splits

K% + xwOBA allowed by batter side · 2026/2025/2024 blend, weighted 4/3/1

Split	K%	xwOBA	Sample
vs. LHB	22	.303	864
vs. RHB	24.4	.298	863

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Market lines

current pick’em lines by book · updates through the day

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DFS picks

today’s picks for this pitcher, probability-sorted · graded nightly

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