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Team bullpen data and usage tracking

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

Athletics
Team Record: 35 - 52
Head Coach: Mark Kotsay
Pitching Coach: Scott Emerson
Pitcher Snapshot
Pitcher Impact Rating:
70.6
IP (last 7 gm):
ERA (last 7 gm):
Team BP Power Rank:
#19

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 29 4.28 27.10 123 4.21 24.4% 11.4% 4.1% 0.714% 0.32 0.245 0.352 0.321 0.764
2025 SpringTr 10 0.00 12.00 43 3.81 39.5% 4.7% 0.0% 0% 0.46 0.125 0.163 - 0.363
2025: Home 14 3.77 14.10 62 4.13 22.6% 8.1% 4.8% 1% 0.33 0.216 0.323 - 0.735
2025: Away 15 4.85 13.00 61 4.30 26.2% 14.8% 3.3% 0.5% 0.31 0.275 0.383 - 0.795
2025: Vs L 26 - 12.10 47 4.47 23.4% 8.5% 2.1% % 0.5 0.154 0.255 - 0.486
2025: Vs R 28 - 15.00 76 4.05 25.0% 13.2% 5.3% % 0.19 0.302 0.413 - 0.937
2025 Pitch Arsenal
Game Logs
Game Date Opponent IP PA R H 2B 3B HR BB SO SB CS NP-S AVG
2025-06-04 vs Twins 1.00
1
 4 1 1 0 0 1 0 1 0 0 15-11 0.25
2025-06-01 @ Blue Jays 0.00
8
 4 4 3 1 0 1 0 0 0 0 16-9 0.25
2025-05-30 @ Blue Jays 0.10
5
 3 1 2 0 0 0 0 0 0 0 11-5 0.22
2025-05-28 @ Astros 0.20
7
 7 3 4 0 0 1 1 0 1 0 23-14 0.21
2025-05-24 vs Phillies 0.10
7
 2 0 1 0 0 0 0 0 0 0 2-2 0.17
2025-05-23 vs Phillies 1.00
8
 5 0 1 0 0 0 0 1 1 0 23-14 0.17
2025-05-20 vs Angels 1.10
5
 6 0 1 0 0 0 0 1 0 0 29-16 0.16
Advanced Stats
Advanced Stats will be released after the All-Star break

Bullpen Usage & Stats

Last 7 Days
Player IP NP-S ERA Jun-30 Jun-29 Jun-28 Jun-27 Jun-26 Jun-25 Jun-24
Justin Sterner 0 0-0 36.00
Michael Kelly 2.2 29-19 0.00
0.2
7-4
1.0
8
8-7
1.0
8
14-8
Tyler Ferguson 2.0 62-35 18.00
1.1
6
33-20
0.2
8
29-15
Sean Newcomb 3.1 42-28 0.00
0.1
2-2
3.0
6
40-26
Hogan Harris 3.0 72-44 9.00
1.0
4
28-17
2.0
6
44-27
Elvis Alvarado 1.0 26-16 0.00
1.0
5
26-16
J.T. Ginn 0 0-0 3.38
JP Sears 0 0-0 6.00
Jack Perkins 3.1 48-27 0.00
3.1
6
48-27
Jacob Lopez 0 0-0 10.15
Mitch Spence 5.0 89-54 3.60
5.0
1
89-54
Mason Miller 2.0 24-15 0.00
1.0
8-6
1.0
9
16-9
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:
29
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:
2.07
Pitches over 30 pitches:
No
Pitches before the 8th:
Yes
Pitches back to back days:
Rarely
Other Athletics Pitchers

Michael Kelly (R)
Tyler Ferguson (R)
Sean Newcomb (L)
Hogan Harris (L)
Elvis Alvarado (R)
Jack Perkins (R)
Justin Sterner (R)
Mitch Spence (R)
Max Muncy (R)
Mason Miller (R)

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