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Geoff Hartlieb
Athletics · RHP
#
31
Team
ATH · P
Debut
2019 · 8 MLB seasons

Geoff Hartlieb

Age 32
Contract Value $95,445/yr
Size 6' 5" · 240
Throws RHP
Bats Right
From Highland, IL
1-1 W-L
Team profile →Rotation →
6.08
ERA
1.95
WHIP
4.0
K/9
6.1
BB/9
13.1
Innings
0
Starts
Geoff Hartlieb season snapshot
Season stats
ERA
6.08
WHIP
1.95
K/9
4.0
BB/9
6.1
HR/9
0.67
IP
13.1
GS
0
W-L
1-1
Geoff Hartlieb ERA trend
Last 6
Earned runs per start
Avg 1.3 ER / start
↓ ERA trending down over recent starts.

Geoff Hartlieb game log

2026 season
DateOpponentIPHERKBBERA
Jul 26Minnesota Twins2531013.50
Jul 24Minnesota Twins0.100130.00
Jul 21Arizona Diamondbacks0.1010290.00
Jul 19Washington Nationals210110.00
Jun 30Los Angeles Dodgers363119.00
Jun 27Los Angeles Angels0.2210045.00
Jun 25San Francisco Giants200110.00
Jun 20Los Angeles Angels331113.00

Geoff Hartlieb season splits

Home / away / vs L-R · 2026
Home ERA
ERA6.00
Away ERA
ERA3.38
vs Left AVG
AVG0.294
vs Right AVG
AVG0.333
Geoff Hartlieb monthly splits
ERA · IP · K · BB · WHIP per month
MonthGSERAIPKBBWHIP
Jun05.198.2331.62
Jul07.714.2362.57
Pitch arsenal
Usage and average velocity · 2026
FFFour-seam FB
35.9%95.2 mph
SLSlider
30.4%84.5 mph
FCCutter
18.0%91.4 mph
SISinker
15.7%93.6 mph

Performance vs teams

2026 starts · sorted by ERA
TeamERAGS
Washington Nationals
0.00
1
San Francisco Giants
0.00
1
Los Angeles Angels
5.63
2
Los Angeles Dodgers
9.00
1
Minnesota Twins
12.86
2
Arizona Diamondbacks
90.00
1

Hot / Cold zones

Opponent results by strike zone area

AVG by zone

  • Zone 01: .200
  • Zone 02: .250
  • Zone 03: .000
  • Zone 04: .250
  • Zone 05: .286
  • Zone 06: .286
  • Zone 07: 1.000
  • Zone 08: .500
  • Zone 09: .000
  • Zone 11: .333
  • Zone 12: 1.000
  • Zone 13: -
  • Zone 14: .429

OPS by zone

  • Zone 01: .400
  • Zone 02: .500
  • Zone 03: .000
  • Zone 04: .750
  • Zone 05: 1.125
  • Zone 06: .857
  • Zone 07: 2.000
  • Zone 08: .889
  • Zone 09: .000
  • Zone 11: .800
  • Zone 12: 2.000
  • Zone 13: 1.000
  • Zone 14: 1.000

SLG by zone

  • Zone 01: .200
  • Zone 02: .250
  • Zone 03: .000
  • Zone 04: .500
  • Zone 05: 1.000
  • Zone 06: .571
  • Zone 07: 1.000
  • Zone 08: .500
  • Zone 09: .000
  • Zone 11: .333
  • Zone 12: 2.000
  • Zone 13: .000
  • Zone 14: .571

OBP by zone

  • Zone 01: .200
  • Zone 02: .250
  • Zone 03: .000
  • Zone 04: .250
  • Zone 05: .250
  • Zone 06: .286
  • Zone 07: 1.000
  • Zone 08: .444
  • Zone 09: .000
  • Zone 11: .600
  • Zone 12: 1.000
  • Zone 13: 1.000
  • Zone 14: .636

numberOfStrikes by zone

  • Zone 01: 5.00
  • Zone 02: 3.00
  • Zone 03: 2.00
  • Zone 04: 6.00
  • Zone 05: 4.00
  • Zone 06: 7.00
  • Zone 07: 7.00
  • Zone 08: 13.00
  • Zone 09: 6.00
  • Zone 11: 4.00
  • Zone 12: 3.00
  • Zone 13: 7.00
  • Zone 14: 11.00

numberOfPitches by zone

  • Zone 01: 9.00
  • Zone 02: 6.00
  • Zone 03: 7.00
  • Zone 04: 10.00
  • Zone 05: 12.00
  • Zone 06: 13.00
  • Zone 07: 8.00
  • Zone 08: 24.00
  • Zone 09: 10.00
  • Zone 11: 24.00
  • Zone 12: 13.00
  • Zone 13: 18.00
  • Zone 14: 63.00

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
-.3331.000.429.200.250.000.250.286.2861.000.500.000
0.4000.3000.200

Last 10 matchups

vs Minnesota Twins — 2026-07-26
3ER · 2ip
→
vs Minnesota Twins — 2026-07-24
0ER · 0.1ip
→
vs Arizona Diamondbacks — 2026-07-21
1ER · 0.1ip
→
vs Washington Nationals — 2026-07-19
0ER · 2ip
→
vs Los Angeles Dodgers — 2026-06-30
3ER · 3ip
→
vs Los Angeles Angels — 2026-06-27
1ER · 0.2ip
→
vs San Francisco Giants — 2026-06-25
0ER · 2ip
→
vs Los Angeles Angels — 2026-06-20
1ER · 3ip
→

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