P

MLB player profile

Geoff Hartlieb

Current club

Athletics

Season spotlight

ERA
4.072026

Uniform

31

Bats

Right

Throws

Right

Player profile

Age

32

Born

Highland, IL, USA

Height

6' 5"

MLB debut

May 18, 2019

Birth date

December 9, 1993

Weight

240

Verified source

MLB Stats API

·

September 23, 2026 · 7:02 am GMT+0000 Open official record ↗

Current season line

2026

G

15

GS

0

IP

24.1

W

1

L

1

ERA

4.07

WHIP

1.44

SO

18

SV

0

HLD

2

More from the roster