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Game Matchup Breakdown

Boston Red Sox
@
May 12, 2025 6:40 PM ET
Comerica Park
Detroit Tigers

Boston Bullpen Pitchers


ALL BULLPEN PITCHERS
Justin Wilson
Justin Wilson
Throws:
L
Effective Rtg:
86.9
Fatigue %:
-12.0
IP 2025:
19.0
ERA:
2.37
Outings:
24
FIP:
2.28
Pitch Arsenal:
FF SL FC
Aroldis Chapman
Aroldis Chapman
Throws:
L
Effective Rtg:
85.9
Fatigue %:
-3.7
IP 2025:
23.0
ERA:
1.96
Outings:
25
FIP:
2.55
Pitch Arsenal:
FF SI SL FS
Nick Burdi
Nick Burdi
Throws:
R
Effective Rtg:
75.7
Fatigue %:
-11.3
IP 2025:
4.1
ERA:
0.00
Outings:
3
FIP:
1.92
Pitch Arsenal:
SI SL FF
Brennan Bernardino
Brennan Bernardino
Throws:
L
Effective Rtg:
83.2
Fatigue %:
-5.0
IP 2025:
23.2
ERA:
1.52
Outings:
27
FIP:
3.32
Pitch Arsenal:
SI CU CH FC
Greg Weissert
Greg Weissert
Throws:
R
Effective Rtg:
76.3
Fatigue %:
0.0
IP 2025:
25.1
ERA:
2.84
Outings:
26
FIP:
3.58
Pitch Arsenal:
FF SI ST SL CH
Garrett Whitlock
Garrett Whitlock
Throws:
R
Effective Rtg:
81.0
Fatigue %:
-13.4
IP 2025:
29.1
ERA:
3.68
Outings:
20
FIP:
3.14
Pitch Arsenal:
SI SL CH
Justin Slaten
Justin Slaten
Throws:
R
Effective Rtg:
82.6
Fatigue %:
0.0
IP 2025:
23.1
ERA:
3.47
Outings:
24
FIP:
3.16
Pitch Arsenal:
FF FC CU ST
BOS Starter
Tanner Houck
Projected SP: Tanner Houck
Throws: R
vs DET
Confirmed Lineup
1 - L - Kerry Carpenter - LF
2 - R - Gleyber Torres - 2B
3 - L - Colt Keith - 2B
4 - L - Riley Greene - LF
5 - R - Spencer Torkelson - 1B
6 - L - Zach McKinstry - RF
7 - R - Dillon Dingler - C
8 - L - Trey Sweeney - SS
9 - R - Javier Bu00e1ez - 3B

Projected SP: Jackson Jobe - throws: R

LIKELY TO PITCH

Boston Bullpen Usage & Stats


Last 7 Days
Player IP NP-S ERA May-31 May-30 May-29 May-28 May-27 May-26 May-25
Justin Wilson 1.2 24-13 0.00
0.1
5
6-3
1.1
6
18-10
Liam Hendriks 1.1 34-21 20.30
0.1
10
16-9
1.0
7
18-12
Aroldis Chapman 3.0 51-34 3.00
1.0
9
14-9
1.0
9
18-13
1.0
9
19-12
Nick Burdi 2.0 26-19 0.00
2.0
26-19
Brennan Bernardino 2.0 26-18 0.00
0.1
1-1
0.1
7
7-4
0.1
5
6-3
1.0
4
12-10
Greg Weissert 3.1 50-32 2.70
1.0
8
9-7
1.1
5
26-15
1.0
6
15-10
Garrett Whitlock 3.0 61-36 3.00
1.2
6
33-21
1.1
7
28-15
Justin Slaten 1.2 36-23 0.00
0.1
10
16-11
1.1
7
20-12
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

Boston Bullpen Matchup Analysis


Advanced Snapshot
Cumulative Fatigue & Effectiveness:
Effectiveness Rating:
81.7
Fatigue Factor:
-6.5
Current Overall Rating:
76.3
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.