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Josh Simpson
Seattle Mariners · LHP
#
37
Team
SEA · P
Debut
2025 · 2 MLB seasons

Josh Simpson

Age 28
Contract Value $291,970/yr
Size 6' 2" · 190
Throws LHP
Bats Left
From Stafford, CT
0-0 W-L
Team profile →Rotation →
4.05
ERA
1.50
WHIP
12.2
K/9
2.7
BB/9
6.2
Innings
0
Starts
Josh Simpson season snapshot
Season stats
ERA
4.05
WHIP
1.50
K/9
12.2
BB/9
2.7
HR/9
2.70
IP
6.2
GS
0
W-L
0-0
Josh Simpson ERA trend
Last 6
Earned runs per start
Avg 0.3 ER / start
↓ ERA trending down over recent starts.

Josh Simpson game log

2026 season
DateOpponentIPHERKBBERA
Aug 8Tampa Bay Rays1.100100.00
Aug 6Detroit Tigers1.130300.00
Aug 4Detroit Tigers110200.00
Jun 28Cleveland Guardians0.2210145.00
May 13Houston Astros0.100010.00
May 9Chicago White Sox111109.00
May 8Chicago White Sox111209.00

Josh Simpson season splits

Home / away / vs L-R · 2026
Away ERA
ERA9.00
vs Left AVG
AVG0.143
vs Right AVG
AVG0.500
Josh Simpson monthly splits
ERA · IP · K · BB · WHIP per month
MonthGSERAIPKBBWHIP
May07.712.1311.29
Jun013.500.2014.50
Aug00.003.2601.09
Pitch arsenal
Usage and average velocity · 2026
SISinker
36.7%92.9 mph
CUCurveball
29.2%80.1 mph
STSweeper
25.8%81.2 mph
FFFour-seam FB
5.0%93.2 mph
CHChangeup
3.3%87.8 mph

Performance vs teams

2026 starts · sorted by ERA
TeamERAGS
Tampa Bay Rays
0.00
1
Detroit Tigers
0.00
2
Houston Astros
0.00
1
Chicago White Sox
9.00
2
Cleveland Guardians
13.50
1

Hot / Cold zones

Opponent results by strike zone area

AVG by zone

  • Zone 01: .000
  • Zone 02: .500
  • Zone 03: 1.000
  • Zone 04: .000
  • Zone 05: .333
  • Zone 06: .000
  • Zone 07: .750
  • Zone 08: .500
  • Zone 09: .000
  • Zone 11: -
  • Zone 12: -
  • Zone 13: .000
  • Zone 14: .500

OPS by zone

  • Zone 01: .000
  • Zone 02: 1.500
  • Zone 03: 2.000
  • Zone 04: .000
  • Zone 05: 1.667
  • Zone 06: .000
  • Zone 07: 2.250
  • Zone 08: 1.000
  • Zone 09: .000
  • Zone 11: 1.000
  • Zone 12: -
  • Zone 13: .200
  • Zone 14: 1.000

SLG by zone

  • Zone 01: .000
  • Zone 02: 1.000
  • Zone 03: 1.000
  • Zone 04: .000
  • Zone 05: 1.333
  • Zone 06: .000
  • Zone 07: 1.500
  • Zone 08: .500
  • Zone 09: .000
  • Zone 11: .000
  • Zone 12: -
  • Zone 13: .000
  • Zone 14: .500

OBP by zone

  • Zone 01: .000
  • Zone 02: .500
  • Zone 03: 1.000
  • Zone 04: .000
  • Zone 05: .333
  • Zone 06: .000
  • Zone 07: .750
  • Zone 08: .500
  • Zone 09: .000
  • Zone 11: 1.000
  • Zone 12: -
  • Zone 13: .200
  • Zone 14: .667

numberOfPitches by zone

  • Zone 01: 4.00
  • Zone 02: 6.00
  • Zone 03: 6.00
  • Zone 04: 8.00
  • Zone 05: 8.00
  • Zone 06: 6.00
  • Zone 07: 8.00
  • Zone 08: 5.00
  • Zone 09: 9.00
  • Zone 11: 7.00
  • Zone 12: 8.00
  • Zone 13: 29.00
  • Zone 14: 16.00

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: -

numberOfStrikes by zone

  • Zone 01: 4.00
  • Zone 02: 3.00
  • Zone 03: 5.00
  • Zone 04: 5.00
  • Zone 05: 5.00
  • Zone 06: 4.00
  • Zone 07: 4.00
  • Zone 08: 4.00
  • Zone 09: 8.00
  • Zone 11: -
  • Zone 12: 1.00
  • Zone 13: 13.00
  • Zone 14: 4.00
0.4000.3000.200
.000--.500.000.5001.000.000.333.000.750.500.000
0.4000.3000.200

Last 10 matchups

vs Tampa Bay Rays — 2026-08-08
0ER · 1.1ip
→
vs Detroit Tigers — 2026-08-06
0ER · 1.1ip
→
vs Detroit Tigers — 2026-08-04
0ER · 1ip
→
vs Cleveland Guardians — 2026-06-28
1ER · 0.2ip
→
vs Houston Astros — 2026-05-13
0ER · 0.1ip
→
vs Chicago White Sox — 2026-05-09
1ER · 1ip
→
vs Chicago White Sox — 2026-05-08
1ER · 1ip
→

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