JONATHAN LOAISIGA
#43 - P
Status On roster
Ht/Wt 5’11’’, 195 lbs
Bats/Throws R / R
Experience 5 years
Debut Jun 15, 2018
Born Nov 2, 1994 (31 yrs) Managua, Nicaragua
Hometown Managua, Nicaragua
Signed Signed by San Francisco in 2012.
Acquired Acquired as a free agent in 2026.
VS.
Jonathan Loaisiga
Leader
STAT RANK
7 28
Strikeouts Jacob Misiorowski
207 1
1 5
Saves David Bednar, Jhoan Duran, Lucas Erceg
25 1
7.1 28.0
Innings pitched Max Fried
203 1
3 6
Holds Erik Sabrowski
12 1
7 9
Games Justin Topa, Brent Headrick, Kody Funderburk, Isaac Mattson, Gregory Soto
28 1
3 5
Holds Tony Santillan, JoJo Romero, Juan Morillo
8 1
7 9
Games Gregory Soto, Isaac Mattson
19 1
7.1 24.1
Innings pitched Sandy Alcantara
108 1
7 28
Strikeouts Jacob Misiorowski
99 1
1 5
Saves Jhoan Duran
12 1
Season Stats
Pitcher
W
Wins
L
Losses
ERA
Earned Run Average
G
Games
GS
Games Started
CG
Complete Games
SHO
Shutouts
SV
Saves
HLD
Holds
IP
Innings Pitched
H
Hits Allowed
R
Runs Allowed
ER
Earned Runs
HR
Home Runs Allowed
BB
Walks
SO
Strikeouts
WHIP
Walks and Hits Per Inning Pitched
YTD 0 0 2.45 7 0 0 0 1 3 7.1 8 2 2 0 0 7 1.09
Game Log
Pitcher
Date Team Opp GS
Games Started
Dec CG
Complete Games
SHO
Shutouts
IP
Innings Pitched
H
stats.by_season.headers.baseball.pitching.regular-season.tooltipss.h
R
stats.by_season.headers.baseball.pitching.regular-season.tooltipss.r
ER
Earned Runs
HR
Home Runs Allowed
BB
Walks
K YTD W YTD L YTD SV YTD ERA YTD WHIP Status
2026-04-11 - - - - - - - - - - - 0 0 1 2.45 - DNP
2026-04-10 0 H 0 0 1.0 0 0 0 0 0 3 0 0 1 2.45 1.09 -
2026-04-09 - - - - - - - - - - - 0 0 1 2.84 - DNP
2026-04-08 - - - - - - - - - - - 0 0 1 2.84 - DNP
2026-04-07 0 BSv 0 0 1.0 2 1 1 0 0 1 0 0 1 2.84 1.26 -
Transactions & Injuries
Date Description
2026-03-25 Contract purchased from Reno (AAA).
2026-01-13 Signed by the Arizona Diamondbacks to a minor league contract and invited to spring training.
2025-11-05 Filed for free agency.
2025-09-29 Missed the last 52 regular season games (various injuries).
2025-08-03 Mid-back tightness, 15-Day IL (retroactive to August 2nd, 2025).