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Game Matchup Breakdown

Kansas City Royals
Kansas City Royals
@
August 4, 2025 7:10 PM ET
Fenway Park
Boston Red Sox
Boston Red Sox

Boston Bullpen Pitchers

ALL BULLPEN PITCHERS
Justin Wilson
Justin Wilson
Throws:
L
Effective Rtg:
84.8
Fatigue %:
-6.2
IP 2025:
36.0
ERA:
2.75
Outings:
44
FIP:
2.88
Pitch Arsenal:
FF SL FC
Player Profile
Aroldis Chapman
Aroldis Chapman
Throws:
L
Effective Rtg:
91.4
Fatigue %:
0.0
IP 2025:
45.2
ERA:
1.18
Outings:
50
FIP:
1.96
Pitch Arsenal:
FF SI SL FS
Player Profile
Steven Matz
Steven Matz
Throws:
L
Effective Rtg:
80.3
Fatigue %:
-2.0
IP 2025:
59.2
ERA:
3.17
Outings:
36
FIP:
2.90
Pitch Arsenal:
SI CU CH
Player Profile
Isaiah Campbell
Isaiah Campbell
Throws:
R
Effective Rtg:
72.0
Fatigue %:
0.0
IP 2025:
7.0
ERA:
3.86
Outings:
5
FIP:
4.96
Pitch Arsenal:
SL FF ST CU SI
Player Profile
Jovani Morán
Jovani Morán
Throws:
L
Effective Rtg:
76.0
Fatigue %:
-8.7
IP 2025:
2.0
ERA:
4.50
Outings:
1
FIP:
2.60
Pitch Arsenal:
FF CH SL FC
Player Profile
Jordan Hicks
Jordan Hicks
Throws:
R
Effective Rtg:
74.4
Fatigue %:
0.0
IP 2025:
61.2
ERA:
6.42
Outings:
27
FIP:
4.11
Pitch Arsenal:
SI ST FF SL
Player Profile
Greg Weissert
Greg Weissert
Throws:
R
Effective Rtg:
76.8
Fatigue %:
0.0
IP 2025:
51.0
ERA:
2.82
Outings:
55
FIP:
4.00
Pitch Arsenal:
FF SI SL ST CH
Player Profile
Garrett Whitlock
Garrett Whitlock
Throws:
R
Effective Rtg:
87.7
Fatigue %:
0.0
IP 2025:
55.1
ERA:
2.77
Outings:
46
FIP:
2.47
Pitch Arsenal:
SI SL CH
Player Profile
BOS Starter
Brayan Bello
Projected SP: Brayan Bello
Throws: R
vs KC
Confirmed Lineup
1 - R - Jonathan India - 2B
2 - R - Bobby Witt Jr. - SS
3 - L - Vinnie Pasquantino - 1B
4 - R - Maikel Garcia - 3B
5 - R - Salvador Perez - C
6 - L - Mike Yastrzemski - RF
7 - L - Adam Frazier - 2B
8 - L - John Rave - RF
9 - L - Kyle Isbel - CF

Projected SP: Bailey Falter - throws: L
LIKELY TO PITCH

Boston Bullpen Usage & Stats

Last 7 Days
Player IP NP-S ERA Aug-15 Aug-14 Aug-13 Aug-12 Aug-11 Aug-10 Aug-9
Justin Wilson 1.0 8-7 0.00
1.0
7
8-7
Aroldis Chapman 1.0 10-9 0.00
1.0
9
10-9
Steven Matz 2.2 31-25 0.00
1.0
7
9-8
1.2
5
22-17
Isaiah Campbell 2.0 30-22 0.00
1.0
6
7-5
1.0
8
23-17
Jovani Morán 2.0 34-22 4.50
2.0
8
34-22
Jordan Hicks 2.2 51-31 6.77
1.0
5
20-12
1.2
7
31-19
Greg Weissert 2.0 42-28 4.50
1.0
8
14-8
1.0
7
28-20
Garrett Whitlock 2.0 18-15 0.00
2.0
7
17-14
0.0
10
1-1
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:
80.4
Fatigue Factor:
-2.1
Current Overall Rating:
78.7
Bullpen Power Rankings
#4
#3
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.

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