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Starting Pitcher · Arizona Diamondbacks

Merrill Kelly

RHP · Throws Right · Age 37Starter

ERA

4.94

FIP

–

162.0

W-L

10-14

WHIP

1.46

16.1

BB%

9.9

GB%

–

K/9

6.3

HR/9

1.6

Drafted by the Tampa Bay Rays in 2010 (round 8), he was signed by the Arizona Diamondbacks in free agency in December 2025. He made his MLB debut on April 1, 2019.Facts: MLB StatsAPI (people · transactions)

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

Changeup

CH · lead pitch

27% of pitches · .304 xwOBA allowed · 513 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

Changeup (27% usage) has allowed .304 xwOBA over 513 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

6 pitch types · 6,528-pitch sample · 2026/2025/2024 blend, weighted 4/3/1

Changeup CH

27% usage · 29% whiff · .304 xwOBA · 88.6 mph

Four-Seam Fastball FF

26% usage · 16% whiff · .413 xwOBA · 92.2 mph

Cutter FC

17% usage · 12% whiff · .363 xwOBA · 91.1 mph

Sinker SI

11% usage · 6% whiff · .385 xwOBA · 92.3 mph

Curveball CU

11% usage · 19% whiff · .318 xwOBA · 82.5 mph

Slider SL

9% usage · 33% whiff · .287 xwOBA · 86.3 mph

Whiff% Trend

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

ChangeupFour-Seam FastballCutter

Hand Splits

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

Split	K%	xwOBA	Sample
vs. LHB	16	.373	943
vs. RHB	22.1	.315	751

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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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