RunsLeft › Pitchers › George Kirby

Starting Pitcher · Seattle Mariners

George Kirby

RHP · Throws Right · Age 28Starter

ERA

4.18

FIP

–

140.0

W-L

8-10

WHIP

1.36

19.9

BB%

5.6

GB%

–

K/9

7.5

HR/9

1.1

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

29% of pitches · .311 xwOBA allowed · 592 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 (29% usage) has allowed .311 xwOBA over 592 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

7 pitch types · 7,330-pitch sample · 2026/2025/2024 blend, weighted 4/3/1

Four-Seam Fastball FF

29% usage · 23% whiff · .311 xwOBA · 96.6 mph

Sweeper ST

28% usage · 27% whiff · .272 xwOBA · 87.3 mph

Sinker SI

24% usage · 10% whiff · .322 xwOBA · 96.9 mph

Knuckle Curve KC

10% usage · 28% whiff · .283 xwOBA · 83.8 mph

Changeup CH

5% usage · 24% whiff · .341 xwOBA · 88.6 mph

Splitter FS

3% usage · 30% whiff · .331 xwOBA

Cutter FC

2% usage · 26% whiff · .323 xwOBA · 93.0 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	21.3	.310	935
vs. RHB	23.6	.295	926

Live · client-hydrated

Market lines

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

Live lines load in your browser.

Live · client-hydrated

DFS picks

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

Today’s picks load in your browser.