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Team bullpen data and usage tracking

Justin Slaten
Justin Slaten
Throws: R
Primary Role(s): Reliever
Age: 27

Boston
Team Record: 10 - 10
Head Coach: Alex Cora
Pitching Coach: Andrew Bailey
Pitcher Snapshot
Pitcher Impact Rating:
0
IP (last 7 gm):
2
ERA (last 7 gm):
0.00
Team BP Power Rank:
#15

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 8 5.14 7.00 26 3.31 19.2% 3.8% 0.0% 1% 0.33 0.160 0.192 0.276 0.352
2025 SpringTr 5 3.86 4.20 20 3.70 20.0% 10.0% 0.0% 0% 1 0.222 0.300 - 0.578
2025: Home 2 0.00 2.00 6 3.33 33.3% 0.0% 0.0% 0% 0.67 0.000 0.000 - 0.000
2025: Away 6 7.20 5.00 20 4.33 33.3% 0.0% 0.0% 1% 0.22 0.211 0.250 - 0.461
2025: Vs L 7 - 2.20 10 4.00 0.0% 0.0% 0.0% % 0.4 0.111 0.200 - 0.311
2025: Vs R 8 - 4.10 16 4.50 50.0% 0.0% 0.0% % 0.29 0.188 0.188 - 0.376
2025 Pitch Arsenal
Game Logs
Game Date Opponent IP PA R H 2B 3B HR BB SO SB CS NP-S AVG
2025-04-16 @ Rays 1.00
9
 3 0 0 0 0 0 0 2 0 0 11-8 0.16
2025-04-12 @ White Sox 1.00
8
 3 0 0 0 0 0 0 0 0 0 9-5 0.18
2025-04-09 vs Blue Jays 1.00
8
 3 0 0 0 0 0 0 0 0 0 8-7 0.21
2025-04-06 vs Cardinals 1.00
7
 3 0 0 0 0 0 0 1 0 0 10-7 0.25
2025-04-03 @ Orioles 1.00
7
 4 0 1 0 0 0 0 1 0 0 20-13 0.31
2025-03-31 @ Orioles 0.00
8
 4 4 3 0 0 0 1 0 1 0 9-4 0.33
2025-03-30 @ Rangers 1.00
8
 3 0 0 0 0 0 0 0 0 0 6-5 0.00
Advanced Stats
Advanced Stats will be released after the All-Star break

Bullpen Usage & Stats

Last 7 Days
Player IP NP-S ERA Apr-17 Apr-16 Apr-15 Apr-14 Apr-13 Apr-12 Apr-11
Justin Slaten 2.0 20-13 0.00
1.0
9
11-8
1.0
8
9-5
Justin Wilson 1.1 24-14 4.50
1.0
6
20-12
0.1
7
4-2
Robert Stock 0 0-0 4.50
Aroldis Chapman 1.2 39-28 3.38
0.1
9
5-3
1.0
9
18-14
0.1
9
16-11
Michael Fulmer 2.2 63-38 10.15
2.2
3
63-38
Tanner Houck 0 0-0 0.00
Sean Newcomb 0 0-0 9.00
Brennan Bernardino 2.0 38-25 6.00
1.0
8
19-13
1.0
8
19-12
Chris Murphy 0 0-0 13.53
Greg Weissert 2.1 34-26 0.00
1.1
5
20-15
1.0
6
14-11
Josh Winckowski 4.0 64-40 4.50
1.0
7
15-10
3.0
5
49-30
Garrett Whitlock 2.2 46-34 0.00
2.0
7
24-21
0.2
8
22-13
Kutter Crawford 0 0-0 9.00
Garrett Crochet 0 0-0 0.00
Zack Kelly 4.1 70-47 8.31
2.2
7
43-30
1.2
6
27-17
Frank German 0 0-0 4.50
Zach Penrod 0 0-0 9.00
Richard Fitts 0 0-0 7.20
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:
8
Games Started this Season:
0
Pitchers versus LH batters:
Rarely
Pitchers versus RH batters:
Yes
Avg Inning when called:
8
Avg Run Diff when called:
1.25
Pitches over 30 pitches:
No
Pitches before the 8th:
Rarely
Pitches back to back days:
Rarely
Other Boston Pitchers

Justin Wilson (L)
Robert Stock (R)
Aroldis Chapman (L)
Michael Fulmer (R)
Brennan Bernardino (L)
Chris Murphy (L)
Greg Weissert (R)
Josh Winckowski (R)
Garrett Whitlock (R)
Zack Kelly (R)
Frank German (R)
Zach Penrod (L)
Justin Slaten (R)

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