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Jonathan Loáisiga
Arizona Diamondbacks · RHP
#
43
Team
AZ · P
Debut
2018 · 9 MLB seasons

Jonathan Loáisiga

Age 31
Contract Value $1,500,000/yr
Size 5' 11" · 195
Throws RHP
Bats Right
From Managua, Nicaragua
3-3 W-L
Team profile →Rotation →
2.85
ERA
1.12
WHIP
6.8
K/9
2.1
BB/9
47.1
Innings
0
Starts
Jonathan Loáisiga season snapshot
Season stats
ERA
2.85
WHIP
1.12
K/9
6.8
BB/9
2.1
HR/9
0.57
IP
47.1
GS
0
W-L
3-3
Jonathan Loáisiga ERA trend
Last 6
Earned runs per start
Avg 0.7 ER / start
↓ ERA trending down over recent starts.

Jonathan Loáisiga game log

2026 season
DateOpponentIPHERKBBERA
Aug 8Los Angeles Dodgers131209.00
Aug 6San Diego Padres1.100200.00
Aug 4San Diego Padres121019.00
Aug 1Cleveland Guardians121009.00
Jul 31Cleveland Guardians100110.00
Jul 27Pittsburgh Pirates121109.00
Jul 26Washington Nationals1221018.00
Jul 22Athletics100100.00
Jul 20Athletics110100.00
Jul 18St. Louis Cardinals0.210110.00
Jul 12Los Angeles Dodgers100210.00
Jul 10Los Angeles Dodgers100200.00
Jul 7San Diego Padres100000.00
Jul 4Milwaukee Brewers110100.00
Jul 3Milwaukee Brewers1.210100.00
Jul 1San Francisco Giants120100.00
Jun 28Tampa Bay Rays110100.00
Jun 24St. Louis Cardinals100100.00
Jun 22St. Louis Cardinals0.100000.00
Jun 19Minnesota Twins1.100000.00
Jun 15Los Angeles Angels100000.00
Jun 12Cincinnati Reds100100.00
Jun 10Miami Marlins121009.00
Jun 6Washington Nationals100110.00
Jun 3Los Angeles Dodgers0.100100.00
Jun 2Los Angeles Dodgers1321218.00
May 31Seattle Mariners0.110010.00
May 29Seattle Mariners100100.00
May 25San Francisco Giants110000.00
May 19San Francisco Giants100000.00
May 18San Francisco Giants110000.00
May 16Colorado Rockies110000.00
May 8New York Mets0.200000.00
May 5Pittsburgh Pirates100000.00
May 2Chicago Cubs0.100000.00
Apr 30Milwaukee Brewers0.2111145.00
Apr 26San Diego Padres110000.00
Apr 25San Diego Padres100100.00
Apr 23Chicago White Sox0.100000.00
Apr 21Chicago White Sox1.110210.00
Apr 17Toronto Blue Jays131109.00
Apr 13Baltimore Orioles0.2120190.00
Apr 12Philadelphia Phillies100000.00
Apr 10Philadelphia Phillies100300.00
Apr 7New York Mets121109.00
Apr 5Atlanta Braves131109.00
Apr 4Atlanta Braves100000.00
Apr 1Detroit Tigers120000.00
Mar 28Los Angeles Dodgers110100.00
Mar 27Los Angeles Dodgers1.100100.00

Jonathan Loáisiga season splits

Home / away / vs L-R · 2026
Home ERA
ERA2.25
Away ERA
ERA3.07
vs Left AVG
AVG0.296
vs Right AVG
AVG0.167
Jonathan Loáisiga monthly splits
ERA · IP · K · BB · WHIP per month
MonthGSERAIPKBBWHIP
Mar00.002.1200.43
Apr04.5012.01031.42
May00.007.1110.68
Jun03.009.0631.00
Jul02.1912.11331.05
Aug06.234.1411.85
Pitch arsenal
Usage and average velocity · 2026
SISinker
32.2%97.7 mph
CHChangeup
29.2%91.0 mph
FFFour-seam FB
16.7%97.4 mph
CUCurveball
16.0%89.3 mph
FCCutter
5.8%95.9 mph

Performance vs teams

2026 starts · sorted by ERA
TeamERAGS
Athletics
0.00
2
St. Louis Cardinals
0.00
3
San Francisco Giants
0.00
4
Tampa Bay Rays
0.00
1
Minnesota Twins
0.00
1
Los Angeles Angels
0.00
1
Cincinnati Reds
0.00
1
Seattle Mariners
0.00
2
Colorado Rockies
0.00
1
Chicago Cubs
0.00
1
Chicago White Sox
0.00
2
Philadelphia Phillies
0.00
2
Detroit Tigers
0.00
1
San Diego Padres
1.69
5
Milwaukee Brewers
2.70
3
Los Angeles Dodgers
4.05
7
Cleveland Guardians
4.50
2
Pittsburgh Pirates
4.50
2
Atlanta Braves
4.50
2
New York Mets
5.40
2
Washington Nationals
9.00
2
Miami Marlins
9.00
1
Toronto Blue Jays
9.00
1
Baltimore Orioles
27.00
1

Hot / Cold zones

Opponent results by strike zone area

AVG by zone

  • Zone 01: .000
  • Zone 02: .111
  • Zone 03: .500
  • Zone 04: .286
  • Zone 05: .400
  • Zone 06: .000
  • Zone 07: .333
  • Zone 08: .462
  • Zone 09: .333
  • Zone 11: .125
  • Zone 12: .000
  • Zone 13: .200
  • Zone 14: .300

OPS by zone

  • Zone 01: .000
  • Zone 02: .222
  • Zone 03: 1.000
  • Zone 04: .643
  • Zone 05: 1.045
  • Zone 06: .000
  • Zone 07: .625
  • Zone 08: 1.200
  • Zone 09: .778
  • Zone 11: .429
  • Zone 12: .000
  • Zone 13: .538
  • Zone 14: .714

SLG by zone

  • Zone 01: .000
  • Zone 02: .111
  • Zone 03: .500
  • Zone 04: .357
  • Zone 05: .750
  • Zone 06: .000
  • Zone 07: .333
  • Zone 08: .923
  • Zone 09: .444
  • Zone 11: .125
  • Zone 12: .000
  • Zone 13: .320
  • Zone 14: .300

OBP by zone

  • Zone 01: .000
  • Zone 02: .111
  • Zone 03: .500
  • Zone 04: .286
  • Zone 05: .364
  • Zone 06: .000
  • Zone 07: .313
  • Zone 08: .400
  • Zone 09: .333
  • Zone 11: .333
  • Zone 12: .000
  • Zone 13: .231
  • Zone 14: .500

numberOfPitches by zone

  • Zone 01: 31.00
  • Zone 02: 34.00
  • Zone 03: 17.00
  • Zone 04: 60.00
  • Zone 05: 52.00
  • Zone 06: 38.00
  • Zone 07: 34.00
  • Zone 08: 44.00
  • Zone 09: 32.00
  • Zone 11: 116.00
  • Zone 12: 31.00
  • Zone 13: 107.00
  • Zone 14: 127.00

numberOfStrikes by zone

  • Zone 01: 24.00
  • Zone 02: 25.00
  • Zone 03: 15.00
  • Zone 04: 34.00
  • Zone 05: 31.00
  • Zone 06: 22.00
  • Zone 07: 21.00
  • Zone 08: 29.00
  • Zone 09: 25.00
  • Zone 11: 31.00
  • Zone 12: 19.00
  • Zone 13: 42.00
  • Zone 14: 22.00

earnedRunAverage by zone

  • Zone 01: -
  • Zone 02: -
  • Zone 03: -
  • Zone 04: -
  • Zone 05: -
  • Zone 06: -
  • Zone 07: -
  • Zone 08: -
  • Zone 09: -
  • Zone 11: -
  • Zone 12: -
  • Zone 13: -
  • Zone 14: -
0.4000.3000.200
.200.125.000.300.000.111.500.286.400.000.333.462.333
0.4000.3000.200

Last 10 matchups

vs Los Angeles Dodgers — 2026-08-08
1ER · 1ip
→
vs San Diego Padres — 2026-08-06
0ER · 1.1ip
→
vs San Diego Padres — 2026-08-04
1ER · 1ip
→
vs Cleveland Guardians — 2026-08-01
1ER · 1ip
→
vs Cleveland Guardians — 2026-07-31
0ER · 1ip
→
vs Pittsburgh Pirates — 2026-07-27
1ER · 1ip
→
vs Washington Nationals — 2026-07-26
2ER · 1ip
→
vs Athletics — 2026-07-22
0ER · 1ip
→
vs Athletics — 2026-07-20
0ER · 1ip
→
vs St. Louis Cardinals — 2026-07-18
0ER · 0.2ip
→

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