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Relief Pitcher · Arizona Diamondbacks

Jonathan Loáisiga

RHP · Throws Right · Age 31Reliever

ERA

2.29

FIP

–

35.1

W-L

2-2

WHIP

1.02

15.9

BB%

5.1

GB%

–

K/9

5.6

HR/9

0.3

He was signed by the Arizona Diamondbacks in free agency in January 2026. He made his MLB debut on June 15, 2018.Facts: MLB StatsAPI (people · transactions)

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

Sinker

SI · lead pitch

41% of pitches · .270 xwOBA allowed · 143 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

Sinker (41% usage) has allowed .270 xwOBA over 143 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

7 pitch types · 1,122-pitch sample · 2026/2025/2024 blend, weighted 4/3/1

Sinker SI

41% usage · 17% whiff · .270 xwOBA · 97.5 mph

Changeup CH

25% usage · 34% whiff · .251 xwOBA · 90.7 mph

Curveball CU

17% usage · 26% whiff · .301 xwOBA · 89.2 mph

Four-Seam Fastball FF

11% usage · 12% whiff · .668 xwOBA · 97.4 mph

Cutter FC

3% usage · .278 xwOBA

Unknown UN

2% usage · .000 xwOBA

Two-Seam Fastball FT

1% usage · .604 xwOBA

Whiff% Trend

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

SinkerChangeupCurveball

Hand Splits

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

Split	K%	xwOBA	Sample
vs. LHB	19.7	.305	123
vs. RHB	15.9	.270	161

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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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