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Pitcher Data and Usage Tracking

Mark Leiter Jr.
Mark Leiter Jr.
Throws: R
Primary Role(s): Reliever
Age: 34

Athletics
Team Record: 76 - 86
Head Coach: Mark Kotsay
Pitching Coach: Scott Emerson
Pitcher Snapshot
Pitcher Impact Rating:
79.2
IP (last 7 gm):
ERA (last 7 gm):
Team BP Power Rank:
#21

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 59 4.84 48.1 219 3.80 24.7% 7.8% 2.3% - 0.98 0.289 0.356 0.193 0.782
2025 SpringTr 4 0.00 3.2 14 3.64 50.0% 0.0% 0.0% - 1 0.214 0.214 - 0.428
2025: Home 28 5.16 22.2 103 3.86 29.1% 8.7% 1.9% - 1.24 0.261 0.340 - 0.764
2025: Away 31 4.56 25.2 116 3.74 20.7% 6.9% 2.6% - 0.81 0.314 0.371 - 0.800
2025: Vs L 54 - 27.0 121 4.05 34.7% 8.3% 0.8% - 1 0.269 0.339 - 0.691
2025: Vs R 53 - 21.1 98 3.49 12.2% 7.1% 4.1% - 0.96 0.315 0.378 - 0.895
2025 Pitch Arsenal
Game Logs
Game Date Opponent IP PA R H 2B 3B HR BB SO SB CS NP-S AVG
2025-09-26 (NYY) vs Orioles 0.2
6
 5 0 0 0 0 0 2 1 0 0 24-13 0.29
2025-09-19 (NYY) @ Orioles 1.0
8
 4 0 1 0 0 0 0 1 0 0 13-7 0.29
2025-09-16 (NYY) @ Twins 1.2
6
 6 0 1 0 0 0 0 0 0 0 15-11 0.30
2025-09-14 (NYY) @ Red Sox 1.0
7
 3 0 1 0 0 0 0 0 0 0 10-7 0.30
2025-09-10 (NYY) vs Tigers 0.1
7
 3 1 2 0 0 0 0 1 0 0 12-7 0.30
2025-09-09 (NYY) vs Tigers 0.0
7
 4 4 2 0 1 0 1 0 0 0 16-7 0.29
2025-09-05 (NYY) vs Blue Jays 1.0
8
 4 1 1 1 0 0 1 2 0 0 18-10 0.28
Advanced Stats
Advanced Stats will be released after the All-Star break

Bullpen Usage & Stats

Last 7 Days
Player IP NP-S ERA Dec-20 Dec-19 Dec-18 Dec-17 Dec-16 Dec-15 Dec-14
Mark Leiter Jr. 0 0-0 0.00
Michael Kelly 0 0-0 7.73
Tyler Ferguson 0 0-0 0.00
Hogan Harris 0 0-0 1.93
Elvis Alvarado 0 0-0 0.00
J.T. Ginn 0 0-0 0.00
Brady Basso 0 0-0 11.59
Jack Perkins 0 0-0 2.25
Grant Holman 0 0-0 27.00
Jacob Lopez 0 0-0 10.15
Joey Estes 0 0-0 0.00
Ken Waldichuk 0 0-0 1.80
Mason Barnett 0 0-0 9.00
Justin Sterner 0 0-0 0.00
Mitch Spence 0 0-0 3.60
Luis Morales 0 0-0 1.80
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:
59
Games Started this Season:
0
Pitchers versus LH batters:
Yes
Pitchers versus RH batters:
Yes
Avg Inning when called:
7
Avg Run Diff when called:
2.54
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)
Mark Leiter Jr. (R)
Hogan Harris (L)
Elvis Alvarado (R)
Brady Basso (L)
Grant Holman (R)
Joey Estes (R)
Justin Sterner (R)
Max Muncy (R)
Henry Baez (R)
Chen Zhong-Ao Zhuang (R)
Braden Nett (R)

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