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Game Matchup Breakdown

Texas Rangers
@
May 8, 2025 1:35 PM ET
Fenway Park
Boston Red Sox

Boston Bullpen Pitchers


ALL BULLPEN PITCHERS
Justin Wilson
Justin Wilson
Throws:
L
Effective Rtg:
86.7
Fatigue %:
-6.5
IP 2025:
22.1
ERA:
2.42
Outings:
28
FIP:
2.27
Pitch Arsenal:
FF SL FC
Robert Stock
Robert Stock
Throws:
R
Effective Rtg:
49.8
Fatigue %:
-22.1
IP 2025:
2.2
ERA:
10.13
Outings:
2
FIP:
11.71
Pitch Arsenal:
FC SI FF ST
Aroldis Chapman
Aroldis Chapman
Throws:
L
Effective Rtg:
88.7
Fatigue %:
-6.6
IP 2025:
28.1
ERA:
1.59
Outings:
31
FIP:
2.20
Pitch Arsenal:
FF SI SL FS
Brennan Bernardino
Brennan Bernardino
Throws:
L
Effective Rtg:
79.0
Fatigue %:
0.0
IP 2025:
26.2
ERA:
3.38
Outings:
31
FIP:
3.46
Pitch Arsenal:
SI CU CH FC
Jorge Alcala
Jorge Alcala
Throws:
R
Effective Rtg:
65.9
Fatigue %:
-3.5
IP 2025:
24.1
ERA:
8.88
Outings:
22
FIP:
5.42
Pitch Arsenal:
FF SL CU SI
Greg Weissert
Greg Weissert
Throws:
R
Effective Rtg:
78.3
Fatigue %:
-1.0
IP 2025:
31.0
ERA:
2.61
Outings:
33
FIP:
3.21
Pitch Arsenal:
FF SI ST SL CH
Garrett Whitlock
Garrett Whitlock
Throws:
R
Effective Rtg:
82.9
Fatigue %:
-2.0
IP 2025:
33.2
ERA:
3.21
Outings:
24
FIP:
2.87
Pitch Arsenal:
SI SL CH
Zack Kelly
Zack Kelly
Throws:
R
Effective Rtg:
76.8
Fatigue %:
0.0
IP 2025:
16.1
ERA:
6.61
Outings:
12
FIP:
3.57
Pitch Arsenal:
FC FF ST CH SI
Luis Guerrero
Luis Guerrero
Throws:
R
Effective Rtg:
74.2
Fatigue %:
-3.5
IP 2025:
12.0
ERA:
1.50
Outings:
7
FIP:
4.00
Pitch Arsenal:
SL FF ST
BOS Starter
Brayan Bello
Projected SP: Brayan Bello
Throws: R
vs TEX
Confirmed Lineup
1 - L - Josh Smith - 3B
2 - R - Wyatt Langford - LF
3 - L - Joc Pederson - DH
4 - R - Adolis Garcu00eda - RF
5 - R - Marcus Semien - 2B
6 - L - Evan Carter - LF
7 - R - Josh Jung - 3B
8 - L - Dustin Harris - LF
9 - L - Tucker Barnhart - C

Projected SP: Jack Leiter - throws: R

LIKELY TO PITCH

Boston Bullpen Usage & Stats


Last 7 Days
Player IP NP-S ERA Jun-12 Jun-11 Jun-10 Jun-9 Jun-8 Jun-7 Jun-6
Justin Wilson 2.1 51-27 3.86
0.1
12-8
1.0
7
15-10
1.0
8
24-9
Robert Stock 0.2 30-14 27.27
0.2
9
30-14
Aroldis Chapman 3.1 40-32 0.00
1.0
11-8
1.0
10
15-12
0.1
9
3-3
1.0
9
11-9
Brennan Bernardino 2.0 58-32 22.50
0.1
7
16-7
0.2
6
21-9
1.0
5
21-16
Jorge Alcala 1.2 40-27 27.11
1.2
7
40-27
Greg Weissert 3.1 44-27 0.00
0.2
15-8
1.0
9
7-4
0.2
8
10-6
1.0
7
12-9
Garrett Whitlock 2.1 35-24 0.00
2.0
7
22-16
0.1
6
13-8
Zack Kelly 3.1 67-39 2.70
1.0
11
23-12
0.1
8
9-4
2.0
3
35-23
Luis Guerrero 2.1 40-23 3.86
2.1
7
40-23
IP
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Boston Bullpen Matchup Analysis


Advanced Snapshot
Cumulative Fatigue & Effectiveness:
Effectiveness Rating:
79.1
Fatigue Factor:
-2.9
Current Overall Rating:
76.7
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.