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Relief Pitcher · Arizona Diamondbacks

Jonathan Loáisiga

RHP · Throws Right · Age 31Reliever

ERA

2.42

FIP

–

67.0

W-L

7-3

WHIP

1.03

18.4

BB%

5.0

GB%

–

K/9

6.5

HR/9

0.4

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

40% of pitches · .263 xwOBA allowed · 186 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 (40% usage) has allowed .263 xwOBA over 186 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

7 pitch types · 1,534-pitch sample · 2026/2025/2024 blend, weighted 4/3/1

Sinker SI

40% usage · 15% whiff · .263 xwOBA · 97.8 mph

Changeup CH

24% usage · 32% whiff · .261 xwOBA · 91.0 mph

Curveball CU

16% usage · 27% whiff · .283 xwOBA · 89.5 mph

Four-Seam Fastball FF

13% usage · 17% whiff · .296 xwOBA · 97.6 mph

Cutter FC

5% usage · 16% whiff · .315 xwOBA · 95.5 mph

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	18.7	.296	177
vs. RHB	18.9	.250	219

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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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