Geoff Hartlieb 2026 season stats

Geoff Hartlieb played 15 games for the Athletics in the 2026 MLB regular season, with 1 win, a 4.07 ERA and 18 strikeouts.

All Geoff Hartlieb seasonsAthletics

2026 regular season

GP
15
R
11
H
25
K
18
L
1
W
1
BB
10
ER
11
GS
0
IP
24.1
SV
0
W%
0.5

2026 splits

Totals, from the 15 regular-season games in the log.

Geoff Hartlieb, 2026 splits
GP: Games the player appeared in, however briefly.IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs.H: Times the batter reached base by hitting the ball, without help from an error.R: Runs — scored by the batter, or allowed by the pitcher.ER: Earned runs allowed — runs that scored without help from an error.BB: Times the batter reached first base on four balls.K: Batters this pitcher struck out.HR: Home runs hit.ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent.
All games1524.1251111101814.07
Home512.012444713.00
Away1012.1137761105.11
Wins68.25114801.04
Losses915.220101061015.74
June48.211553315.19
July44.26446307.71
September711.082211201.64

What the columns mean: IP · H · R · BB · K · HR · ERA

By opponent

Geoff Hartlieb, 2026, by opponent
GP: Games the player appeared in, however briefly.IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs.H: Times the batter reached base by hitting the ball, without help from an error.R: Runs — scored by the batter, or allowed by the pitcher.ER: Earned runs allowed — runs that scored without help from an error.BB: Times the batter reached first base on four balls.K: Batters this pitcher struck out.HR: Home runs hit.ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent.
vs ARI10.101120027.00
vs CLE11.02110209.00
vs LAA23.25221114.91
vs LAD13.06331109.00
vs MIN22.153332011.57
vs SEA34.13110502.08
vs SF12.00001100.00
vs TB11.20000200.00
vs TEX12.02000100.00
vs TOR12.01001200.00
vs WSH12.01001100.00

What the columns mean: IP · H · R · BB · K · HR · ERA

2026 games

Geoff Hartlieb, game by game, 2026 regular season
IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs.H: Times the batter reached base by hitting the ball, without help from an error.R: Runs — scored by the batter, or allowed by the pitcher.ER: Earned runs allowed — runs that scored without help from an error.BB: Times the batter reached first base on four balls.K: Batters this pitcher struck out.HR: Home runs hit.
Sep 19, 2026@ CLEL 12-61.0211020
Sep 17, 2026@ TBL 10-11.2000020
Sep 13, 2026vs SEAW 8-72.0100020
Sep 8, 2026vs TORL 4-22.0100120
Sep 5, 2026@ SEAW 6-21.0211020
Sep 4, 2026@ SEAW 7-61.1000010
Sep 2, 2026@ TEXW 9-22.0200010
Jul 26, 2026@ MINL 11-82.0533010
Jul 24, 2026@ MINW 2-00.1000310
Jul 21, 2026@ ARIL 6-5 F/100.1011200
Jul 19, 2026vs WSHL 5-22.0100110
Jun 30, 2026vs LADL 9-33.0633110
Jun 27, 2026@ LAAL 5-20.2211000
Jun 25, 2026@ SFW 9-62.0000110
Jun 20, 2026vs LAAL 7-03.0311111

What the columns mean: IP · H · R · BB · K · HR

Answered about Geoff Hartlieb in 2026

Source: ESPN public MLB data, 2026 season.