Geoff Hartlieb

Geoff Hartlieb

32-Year-Old PitcherRP
Sacramento Athletics AAA
2026 Fantasy Outlook
There was no outlook written for Geoff Hartlieb in 2026. Check out the latest news below for more on his current fantasy value.
Signed a one-year contract with the Athletics in November of 2025.
Outrighted to Triple-A
PSacramento Athletics  AAA
July 4, 2026
Hartlieb cleared waivers Saturday and was outrighted to Triple-A Las Vegas by the Athletics.
Analysis
Hartlieb was DFA'd by the Athletics on Friday, but he will stay in the organization in Triple-A. He has spent the majority of the 2026 season with Las Vegas, where he has a 3.48 ERA, 1.39 WHIP and 41:10 K:BB across 33.2 innings (16 games, three starts).
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Pitching Stats
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2026 MLB Game Log
2026
2025
2024
2023
2021
2020
2019
2026 MLB Game Log
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2025 MLB Game Log
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2024 MLB Game Log
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2023 MLB Game Log
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2021 MLB Game Log
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2020 MLB Game Log
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Pitching Appearances Breakdown
Average Pitch Count
32
Last 10 Games
32
Last 5 Games
29
How many pitches does Geoff Hartlieb generally throw?
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
What part of the game does Geoff Hartlieb generally pitch?
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
% Games Reaching Innings Threshold
% Games By Number of Innings Pitched
Left/Right Pitching Splits
Since 2024
 
 
-16%
BAA vs RHP
2026
 
 
-12%
BAA vs LHP
2025
 
 
-62%
BAA vs RHP
2024
Even Split
BAA Batters K BB H 2B 3B HR
Since 2024vs Left .381 51 5 8 16 2 0 2
Since 2024vs Right .320 56 10 5 16 7 1 2
2026vs Left .294 18 1 1 5 1 0 0
2026vs Right .333 21 2 2 6 2 0 1
2025vs Left .714 12 1 5 5 0 0 2
2025vs Right .273 12 4 1 3 2 0 0
2024vs Left .333 21 3 2 6 1 0 0
2024vs Right .333 23 4 2 7 3 1 1
Home/Away Pitching Splits
Since 2024
 
 
-37%
ERA on Road
2026
 
 
-44%
ERA on Road
2025
 
 
-29%
ERA at Home
2024
 
 
-75%
ERA on Road
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2024Home 10.67 2.23 14.1 0 0 0 5.0 5.0 2.5
Since 2024Away 6.75 1.95 6.2 1 1 0 9.5 6.8 0.0
2026Home 6.00 1.83 6.0 0 0 0 3.0 3.0 1.5
2026Away 3.38 1.13 2.2 1 1 0 3.4 3.4 0.0
2025Home 19.29 3.86 2.1 0 0 0 7.7 11.6 7.7
2025Away 27.00 5.00 1.0 0 0 0 27.0 27.0 0.0
2024Home 12.00 2.00 6.0 0 0 0 6.0 4.5 1.5
2024Away 3.00 1.67 3.0 0 0 0 9.0 3.0 0.0
Minor League Left/Right Pitching Splits (AAA)
Since 2024
 
 
-16%
BAA vs LHP
2026
 
 
-9%
BAA vs RHP
2025
 
 
-48%
BAA vs LHP
2024
 
 
-8%
BAA vs RHP
BAA Batters K BB H 2B 3B HR
Since 2024vs Left .247 242 55 19 54 15 4 9
Since 2024vs Right .294 370 104 32 97 15 1 6
2026vs Left .295 51 11 6 13 2 1 2
2026vs Right .267 91 30 4 23 3 0 1
2025vs Left .179 92 27 7 15 2 1 3
2025vs Right .347 133 35 10 41 6 1 1
2024vs Left .286 99 17 6 26 11 2 4
2024vs Right .262 146 39 18 33 6 0 4
Stat Review
How does Geoff Hartlieb compare to other relievers?
This section compares his stats with all relief pitcher seasons from the previous three seasons (minimum 30 innings)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.

* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 30 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
  • K/BB
    Strikeout to walk ratio.
  • K/9
    Average strikeouts per nine innings.
  • BB/9
    Average walks per nine innings.
  • HR/9
    Average home runs allowed per nine innings.
  • Fastball
    Average fastball velocity.
  • ERA
    Earned run average. The average earned runs allowed per nine innings.
  • WHIP
    Walks plus hits per inning pitched.
  • BABIP
    Batting average on balls in play. Measures how many balls in play against a pitcher go for hits.
  • GB/FB
    Groundball to flyball ratio. The higher the number, the more likely a pitcher is to induce groundballs.
  • Left On Base
    The percentage of base runners that a pitcher strands on base over the course of a season.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Barrels/BBE
    The percentage of batted ball events resulting in a Barrel. A Barrel is a batted ball with similar exit velocity and launch angle to past ones that led to a minimum .500 batting average and 1.500 slugging percentage.
  • Spin Rate
    Spin Rate is the rate of spin on a baseball after it is released. It is measured in revolutions per minute (rpm).
  • Balls Hit 95+ MPH
    The percentage of batted balls hit that met or exceeded the 95 MPH threshold.
  • Swinging Strike
    The percentage of pitches that result in a swing and a miss.
K/BB
1.00
 
K/9
3.1
 
BB/9
3.1
 
HR/9
1.0
 
Fastball
94.6 mph
 
ERA
5.19
 
WHIP
1.62
 
BABIP
.318
 
GB/FB
0.69
 
Left On Base
71.4%
 
Exit Velocity
84.6 mph
 
Barrels/BBE
6.0%
 
Spin Rate
2355 rpm
 
Balls Hit 95+ MPH
26.0%
 
Swinging Strike
12.4%
 
Advanced Pitching Stats
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Defensive Stats
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Stats Vs Today's Lineup
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Past Fantasy Outlooks
2021
2020
This player will receive an outlook for the 2021 fantasy baseball season.
Hartlieb made his MLB debut in mid-May and spent most of the rest of the year in the big leagues, throwing 35 innings across 29 relief appearances. His FIP was nearly 3.5 runs lower than his ERA, but that's hardly consolation when said ERA comes in at an even 9.00. As with most ERAs that high, quite a bit of bad luck was involved, as he allowed a .411 BABIP. That's not to say he pitched well, however: Statcast gave him an xBA of .297 and an xSLG of .504. Hartlieb's 22.2% strikeout rate and 10.5% walk rate weren't terrible but were both worse than league average. If there's any hope for the 26-year-old's future, it lies in his numbers in 39.2 innings for Triple-A Indianapolis, where he posted a 2.50 ERA and a 30.7% strikeout rate. Until he shows something remotely like that at the big-league level, however, he's not an arm worth keeping an eye on for fantasy owners.
More Fantasy News
Jettisoned by A's
PSacramento Athletics  AAA
July 3, 2026
The Athletics designated Hartlieb for assignment Friday.
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Joins big-league bullpen
PSacramento Athletics  AAA
June 20, 2026
The Athletics recalled Hartlieb from Triple-A Las Vegas on Saturday, Martin Gallegos of MLB.com reports.
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Cut from big-league camp
PSacramento Athletics  AAA
March 9, 2026
The Athletics reassigned Hartlieb to minor-league camp Monday.
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Latches on with Athletics
PSacramento Athletics  AAA
November 20, 2025
The Athletics signed Hartlieb to a minor-league contract Wednesday.
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Catches on with K.C.
PKansas City Royals  AAA
August 27, 2025
Hartlieb signed a minor-league contract with the Royals on Wednesday.
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