Jonathan Loaisiga (RP) - Arizona Diamondbacks MLB Stats 2025

Updated Oct 28, 2026 10:52 PM ET

Jonathan Loaisiga

· RP · MLB · 7,936 views

32 yrs · 5' 11" · 165 lbs · Bats: Right / Throws: Right · Debut: 2018

FPPG (DK, 2025)

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ERA

4.25

W-L

0-1

29.2

2025 Season Stats

Jonathan posted a 4.25 ERA over 29.2 innings pitched with a 0-1 record in 2025. He had struck out 25 batters and walked 10 and averaging 7.6 strikeouts per nine innings. His WHIP stood at 1.48, allowing 34 hits and 7 home runs. Jonathan recorded 1 save.

Pitching Splits Pitching performance splits against left-handed and right-handed batters. 2025 Season - 135 TBF

Split	K%	K/9	BB%	wOBA	xFIP	HH%
vs LHB	15.7%	7.0	9.8%	0.429	5.27	35.4%
vs RHB	20.2%	8.1	6.0%	0.388	4.05	35.4%
Overall	18.5%	7.6	7.4%	0.404	4.17	35.4%

Pitching Splits — K% & BB% (2025) Strikeout and walk rates against left-handed batters, right-handed batters, and overall.

Pitching Splits — wOBA (2025) Weighted on-base average allowed against left-handed batters, right-handed batters, and overall. Lower is better for pitchers.

Pitching Splits — HH% (2025) Hard-hit rate allowed against left-handed batters, right-handed batters, and overall. Lower is better for pitchers.

Season Context Key season-level pitching metrics including games played, SIERA, and batted ball data. 2025 Season - 135 TBF

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SIERA

4.33

P/IP

16.0

TBF

135

HH%

35.4%

Barrel%

6.3%

CSW%

25.2%

CSW Prev

26.4%

GB%

61.5%

FB%

38.5%

Bullpen

4.28

RSB

-1.00

Batted Ball Profile (2025) Ground ball vs fly ball tendency — higher GB% generally means fewer home runs allowed.

Traditional Stats Standard pitching stats: ERA, FIP, W/L, saves, holds, innings, and games started. 2025 Season

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Jonathan Loaisiga MLB Stats 2025

Jonathan Loaisiga is a RP for the Arizona Diamondbacks. For the 2026 season, Jonathan had a 18.5% strikeout rate, a 4.17 xFIP, a 2.42 ERA, 67.0 innings pitched. View Jonathan's 2026 stats, recent performance trends, and key statistical categories to evaluate fantasy value and make informed DFS lineup decisions. Statcast data shows Jonathan with a 0.0 mph average exit velocity and a 0.0% barrel rate.

Stats updated November 5, 2026.