Select a bullpen:
Arizona Bullpen
Atlanta Bullpen
Chicago Bullpen
Cincinnati Bullpen
Colorado Bullpen
Los Angeles Bullpen
Miami Bullpen
Milwaukee Bullpen
New York Bullpen
Philadelphia Bullpen
Pittsburgh Bullpen
San Diego Bullpen
San Francisco Bullpen
St Louis Bullpen
Washington Bullpen
Baltimore Bullpen
Boston Bullpen
Chicago Bullpen
Cleveland Bullpen
Detroit Bullpen
Houston Bullpen
Kansas City Bullpen
Los Angeles Bullpen
Minnesota Bullpen
New York Bullpen
Athletics Bullpen
Seattle Bullpen
Tampa Bay Bullpen
Texas Bullpen
Toronto Bullpen

National League:
Arizona Bullpen
Atlanta Bullpen
Chicago Bullpen
Cincinnati Bullpen
Colorado Bullpen
Los Angeles Bullpen
Miami Bullpen
Milwaukee Bullpen
New York Bullpen
Philadelphia Bullpen
Pittsburgh Bullpen
San Diego Bullpen
San Francisco Bullpen
St Louis Bullpen
Washington Bullpen
American League:
Baltimore Bullpen
Boston Bullpen
Chicago Bullpen
Cleveland Bullpen
Detroit Bullpen
Houston Bullpen
Kansas City Bullpen
Los Angeles Bullpen
Minnesota Bullpen
New York Bullpen
Athletics Bullpen
Seattle Bullpen
Tampa Bay Bullpen
Texas Bullpen
Toronto Bullpen

Pitcher Data and Usage Tracking

Justin Sterner
Justin Sterner
Throws: R
Primary Role(s): Reliever
Age: 28

Athletics
Team Record: 42 - 58
Head Coach: Mark Kotsay
Pitching Coach: Scott Emerson
Pitcher Snapshot
Pitcher Impact Rating:
60.8
IP (last 7 gm):
3.1
ERA (last 7 gm):
0.00
Team BP Power Rank:
#9

Pitcher Season Stats

Cumulative Stats
Season G ERA IP PA P/pa SO/pa BB/pa HR/pa SB/pa G/AO AVG OBP xWOBA OPS
2025 35 3.57 35.1 152 4.19 23.7% 10.5% 3.9% - 0.42 0.209 0.311 0.307 0.675
2025 SpringTr 10 0.00 12.0 43 3.81 39.5% 4.7% 0.0% - 0.46 0.125 0.163 - 0.363
2025: Home 18 2.66 20.1 83 4.08 22.9% 7.2% 3.6% - 0.4 0.169 0.265 - 0.575
2025: Away 17 4.80 15.0 69 4.32 24.6% 14.5% 4.3% - 0.44 0.259 0.368 - 0.799
2025: Vs L 31 - 17.0 63 4.52 23.8% 9.5% 1.6% - 0.48 0.113 0.222 - 0.392
2025: Vs R 33 - 18.1 89 3.96 23.6% 11.2% 5.6% - 0.36 0.276 0.375 - 0.875
2025 Pitch Arsenal
Game Logs
Game Date Opponent IP PA R H 2B 3B HR BB SO SB CS NP-S AVG
2025-07-19 (ATH) @ Guardians 1.0
 4 0 0 0 0 0 1 1 0 0 20-10 0.21
2025-07-13 (ATH) vs Blue Jays 0.1
7
 1 0 0 0 0 0 0 1 0 0 7-4 0.21
2025-07-10 (ATH) vs Braves 2.0
10
 6 0 0 0 0 0 0 2 1 0 26-18 0.22
2025-07-08 (ATH) vs Braves 2.0
7
 7 0 0 0 0 0 0 2 0 0 25-18 0.23
2025-07-05 (ATH) vs Giants 1.2
6
 7 0 1 0 0 0 1 0 0 0 25-16 0.24
2025-07-01 (ATH) @ Rays 1.0
6
 4 1 1 0 0 1 0 0 0 0 16-10 0.25
2025-06-04 (ATH) vs Twins 1.0
1
 4 1 1 0 0 1 0 1 0 0 15-11 0.25
Advanced Stats
Advanced Stats will be released after the All-Star break

Bullpen Usage & Stats

Last 7 Days
Player IP NP-S ERA Jul-19 Jul-18 Jul-17 Jul-16 Jul-15 Jul-14 Jul-13
Justin Sterner 1.1 27-14 0.00
1.0
20-10
0.1
7
7-4
Michael Kelly 0 0-0 9.00
Sean Newcomb 1.0 17-10 0.00
1.0
8
17-10
Hogan Harris 2.0 32-23 2.25
2.0
6
32-23
Elvis Alvarado 1.0 27-13 0.00
1.0
8
27-13
J.T. Ginn 1.0 15-11 6.77
1.0
5
15-11
Osvaldo Bido 0 0-0 0.00
JP Sears 0 0-0 6.00
Jack Perkins 3.0 31-19 5.41
3.0
31-19
Jacob Lopez 0 0-0 10.15
Mason Miller 1.0 18-13 0.00
1.0
9
18-13
IP
In
NP-S
IP
In
NP-S
IP
In
NP-S
IP
In
NP-S
IP
In
NP-S
IP
In
NP-S
IP
In
NP-S
Advanced Pitcher Traits
Games Pitched this Season:
35
Games Started this Season:
0
Pitchers versus LH batters:
Yes
Pitchers versus RH batters:
Yes
Avg Inning when called:
6
Avg Run Diff when called:
2.26
Pitches over 30 pitches:
No
Pitches before the 8th:
Yes
Pitches back to back days:
Rarely
Other Athletics Pitchers

Michael Kelly (R)
Sean Newcomb (L)
Hogan Harris (L)
Elvis Alvarado (R)
J.T. Ginn (R)
Osvaldo Bido (R)
Jack Perkins (R)
Justin Sterner (R)
Max Muncy (R)
Mason Miller (R)

Premium Member Services & Donations

About Our Site Privacy Policy Contact Us

Terms of Use DMCA Policy

SOCIAL

RECOMMENDED SITES
IndepthStats - LineupVault

Inside the Pen Inside t Pen™

©2022-2026 InsidethePen.com
All rights reserved

All MLB player headshots are licensed via Imagn/USA TODAY Sports.
All images remain the property of their copyright holders.

All team logos are the trademark & property of their respective owners and not InsidethePen.com. We present them here in an editorial context for informational and educational purposes.