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Team bullpen data and usage tracking

Zack Kelly
Zack Kelly
Throws: R
Primary Role(s): Reliever
Age: 30

Boston
Team Record: 45 - 45
Head Coach: Alex Cora
Pitching Coach: Andrew Bailey
Pitcher Snapshot
Pitcher Impact Rating:
62.6
IP (last 7 gm):
1
ERA (last 7 gm):
9.00
Team BP Power Rank:
#11

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 17 5.56 22.20 103 3.69 24.3% 8.7% 1.9% 1% 1.1 0.273 0.356 0.308 0.788
2025 SpringTr 7 2.35 7.20 27 3.74 29.6% 3.7% 0.0% 1% 1.33 0.154 0.185 - 0.377
2025: Home 7 10.57 7.20 44 3.50 11.4% 15.9% 0.0% 0% 1.25 0.344 0.500 - 0.938
2025: Away 10 3.00 15.00 59 3.83 33.9% 3.4% 3.4% 1% 1 0.232 0.254 - 0.683
2025: Vs L 17 - 10.00 46 3.70 17.4% 10.9% 0.0% % 1 0.243 0.356 - 0.707
2025: Vs R 17 - 12.20 57 3.79 29.8% 7.0% 3.5% % 1.22 0.294 0.357 - 0.847
2025 Pitch Arsenal
Game Logs
Game Date Opponent IP PA R H 2B 3B HR BB SO SB CS NP-S AVG
2025-06-29 vs Blue Jays 1.00
5
 7 1 2 1 0 0 1 1 0 0 28-16 0.27
2025-06-25 @ Angels 1.20
6
 7 0 2 1 0 0 0 4 0 0 31-21 0.27
2025-06-22 @ Giants 1.10
7
 7 1 3 0 0 1 0 0 0 0 23-17 0.26
2025-06-20 @ Giants 0.20
6
 3 0 0 0 0 0 1 2 0 0 14-8 0.25
2025-06-17 @ Mariners 1.20
4
 5 0 0 0 0 0 0 2 1 0 16-11 0.25
2025-06-09 vs Rays 1.00
11
 7 2 1 0 0 0 3 1 0 0 23-12 0.27
2025-06-08 @ Yankees 0.10
8
 3 0 2 1 0 0 0 0 0 0 9-4 0.27
Advanced Stats
Advanced Stats will be released after the All-Star break

Bullpen Usage & Stats

Last 7 Days
Player IP NP-S ERA Jul-6 Jul-5 Jul-4 Jul-3 Jul-2 Jul-1 Jun-30
Zack Kelly 0 0-0 9.00
Justin Wilson 0.1 4-3 0.00
0.1
8
4-3
Aroldis Chapman 1.0 12-9 0.00
1.0
9
12-9
Brennan Bernardino 3.2 46-28 0.00
2.0
17-12
1.2
1
29-16
Jorge Alcala 3.1 48-37 2.70
1.0
10-8
1.1
2
13-10
1.0
9
25-19
Jordan Hicks 1.2 29-18 5.42
0.2
7
19-11
1.0
8
10-7
Chris Murphy 2.2 28-20 0.00
2.2
4
28-20
Greg Weissert 3.0 60-42 6.75
1.0
11-9
1.0
6
30-21
1.0
7
19-12
Garrett Whitlock 1.0 17-14 4.50
1.0
9
17-14
Kutter Crawford 0 0-0 9.00
Garrett Crochet 0 0-0 0.00
Cooper Criswell 1.2 30-22 0.00
1.2
8
30-22
Richard Fitts 0 0-0 7.20
Hunter Dobbins 0 0-0 5.59
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:
17
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:
2.76
Pitches over 30 pitches:
Yes
Pitches before the 8th:
Yes
Pitches back to back days:
Rarely
Other Boston Pitchers

Justin Wilson (L)
Aroldis Chapman (L)
Brennan Bernardino (L)
Jorge Alcala (R)
Jordan Hicks (R)
Chris Murphy (L)
Greg Weissert (R)
Garrett Whitlock (R)
Zack Kelly (R)
Cooper Criswell (R)

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