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Game Matchup Breakdown

Chicago White Sox
@
April 18, 2025 7:10 PM ET
Fenway Park
Boston Red Sox

Boston Bullpen Pitchers


ALL BULLPEN PITCHERS
Justin Wilson
Justin Wilson
Throws:
L
Effective Rtg:
82.0
Fatigue %:
0.0
IP 2025:
6.0
ERA:
3.00
Outings:
8
FIP:
2.36
Pitch Arsenal:
FF SL FC
Robert Stock
Robert Stock
Throws:
R
Effective Rtg:
NA
Fatigue %:
--
IP 2025:
2.0
ERA:
4.50
Outings:
1
FIP:
4.49
Pitch Arsenal:
FC SI CH FF
Aroldis Chapman
Aroldis Chapman
Throws:
L
Effective Rtg:
72.0
Fatigue %:
0.0
IP 2025:
7.1
ERA:
1.23
Outings:
9
FIP:
1.39
Pitch Arsenal:
FF SI SL FS
Michael Fulmer
Michael Fulmer
Throws:
R
Effective Rtg:
76.2
Fatigue %:
-9.4
IP 2025:
2.2
ERA:
10.13
Outings:
1
FIP:
8.66
Pitch Arsenal:
FC FF CU SI CH
Brennan Bernardino
Brennan Bernardino
Throws:
L
Effective Rtg:
71.3
Fatigue %:
-5.0
IP 2025:
7.1
ERA:
2.45
Outings:
7
FIP:
2.89
Pitch Arsenal:
CH SI FC CU
Greg Weissert
Greg Weissert
Throws:
R
Effective Rtg:
72.4
Fatigue %:
0.0
IP 2025:
8.2
ERA:
2.08
Outings:
9
FIP:
1.18
Pitch Arsenal:
FF SI SL CH ST
Josh Winckowski
Josh Winckowski
Throws:
R
Effective Rtg:
66.3
Fatigue %:
-17.1
IP 2025:
8.2
ERA:
3.12
Outings:
5
FIP:
3.26
Pitch Arsenal:
FF FC SI CH SL
Garrett Whitlock
Garrett Whitlock
Throws:
R
Effective Rtg:
82.5
Fatigue %:
-2.0
IP 2025:
11.2
ERA:
2.31
Outings:
7
FIP:
1.74
Pitch Arsenal:
SI SL CH ST
Zack Kelly
Zack Kelly
Throws:
R
Effective Rtg:
74.1
Fatigue %:
-4.3
IP 2025:
10.0
ERA:
6.30
Outings:
6
FIP:
2.73
Pitch Arsenal:
FF ST FC CH
Justin Slaten
Justin Slaten
Throws:
R
Effective Rtg:
NA
Fatigue %:
--
IP 2025:
7.0
ERA:
5.14
Outings:
8
FIP:
2.03
Pitch Arsenal:
FC FF CU ST
BOS Starter
Hunter Dobbins
Projected SP: Hunter Dobbins
Throws: R
vs CWS
Confirmed Lineup
1 - R - Chase Meidroth - 3B
2 - L - Andrew Benintendi - LF
3 - R - Lenyn Sosa - 3B
4 - L - Joshua Palacios - RF
5 - R - Andrew Vaughn - 1B
6 - L - Nick Maton - 3B
7 - L - Matt Thaiss - C
8 - S - Brooks Baldwin - 2B
9 - R - Michael A. Taylor - CF

Projected SP: Martín Pérez - throws: L

LIKELY TO PITCH

Boston Bullpen Usage & Stats


Last 7 Days
Player IP NP-S ERA Apr-18 Apr-17 Apr-16 Apr-15 Apr-14 Apr-13 Apr-12
Justin Wilson 1.1 24-14 0.00
1.0
6
20-12
0.1
7
4-2
Robert Stock 0 0-0
Aroldis Chapman 1.2 39-28 5.42
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
Brennan Bernardino 2.0 26-17 4.50
1.0
7-4
1.0
8
19-13
Chris Murphy 0 0-0
Greg Weissert 2.1 34-26 0.00
1.1
5
20-15
1.0
6
14-11
Josh Winckowski 3.0 49-30 3.00
2.0
34-20
1.0
7
15-10
Garrett Whitlock 2.2 46-34 0.00
2.0
7
24-21
0.2
8
22-13
Zack Kelly 4.1 70-47 8.31
2.2
7
43-30
1.2
6
27-17
Frank German 0 0-0
Zach Penrod 0 0-0
Justin Slaten 2.0 20-13 0.00
1.0
9
11-8
1.0
8
9-5
IP
In
NP-S
IP
In
NP-S
IP
In
NP-S
IP
In
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IP
In
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IP
In
NP-S
IP
In
NP-S

Boston Bullpen Matchup Analysis


Advanced Snapshot
Cumulative Fatigue & Effectiveness:
Effectiveness Rating:
74.4
Fatigue Factor:
-4.1
Current Overall Rating:
71.5
Bullpen Power Rankings

Expected Game Results

Published Game Day

Advanced bullpen stats are generally published once starting pitchers and game odds are available. They are finalized after starting lineups for both teams are confirmed.