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Game Matchup Breakdown

Boston Red Sox
@
May 31, 2025 4:10 PM ET
Truist Park
Atlanta Braves

Boston Bullpen Pitchers


ALL BULLPEN PITCHERS
Justin Wilson
Justin Wilson
Throws:
L
Effective Rtg:
86.7
Fatigue %:
-15.0
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:
85.8
Fatigue %:
-17.6
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:
71.6
Fatigue %:
0.0
IP 2025:
2.1
ERA:
0.00
Outings:
2
FIP:
3.50
Pitch Arsenal:
SI SL FF
Brennan Bernardino
Brennan Bernardino
Throws:
L
Effective Rtg:
82.8
Fatigue %:
-5.0
IP 2025:
23.1
ERA:
1.54
Outings:
26
FIP:
3.33
Pitch Arsenal:
SI CU CH FC
Greg Weissert
Greg Weissert
Throws:
R
Effective Rtg:
76.1
Fatigue %:
-5.3
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:
80.8
Fatigue %:
-16.4
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:
82.4
Fatigue %:
-13.7
IP 2025:
23.1
ERA:
3.47
Outings:
24
FIP:
3.16
Pitch Arsenal:
FF FC CU ST
BOS Starter
Walker Buehler
Projected SP: Walker Buehler
Throws: R
vs ATL
Confirmed Lineup
1 - R - Ronald Acuu00f1a Jr. - RF
2 - L - Drake Baldwin - C
3 - R - Marcell Ozuna - DH
4 - L - Matt Olson - 1B
5 - R - Austin Riley - 3B
6 - S - Ozzie Albies - 2B
7 - L - Alex Verdugo - LF
8 - L - Michael Harris II - CF
9 - R - Luke Williams - SS

Projected SP: Spencer Schwellenbach - throws: R

LIKELY TO PITCH

Boston Bullpen Usage & Stats


Last 7 Days
Player IP NP-S ERA May-30 May-29 May-28 May-27 May-26 May-25 May-24
Justin Wilson 2.2 43-24 0.00
0.1
6-3
1.1
6
18-10
1.0
7
19-11
Liam Hendriks 2.1 45-28 11.59
0.1
10
16-9
1.0
7
18-12
1.0
6
11-7
Aroldis Chapman 4.0 59-41 2.25
1.0
14-9
1.0
9
18-13
1.0
9
19-12
1.0
9
8-7
Nick Burdi 0 0-0
Brennan Bernardino 2.1 43-27 3.86
0.1
7-4
0.1
5
6-3
1.0
4
12-10
0.2
8
18-10
Greg Weissert 4.1 64-42 2.08
1.0
9-7
1.1
5
26-15
1.0
6
15-10
1.0
10
14-10
Garrett Whitlock 3.0 61-36 3.00
1.2
33-21
1.1
7
28-15
Justin Slaten 2.2 56-35 0.00
0.1
10
16-11
1.1
7
20-12
1.0
8
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:
80.9
Fatigue Factor:
-10.4
Current Overall Rating:
72.2
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.