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Team bullpen data and usage tracking

BOS
Boston
Team Record: 10 - 10
Head Coach: Alex Cora
Pitching Coach: Andrew Bailey
Bullpen Coach: Chris Holt
Basic Bullpen Snapshot
Bullpen Power Ranking:
#15
Pitchers on Roster:
13
Bullpen IP (prev 7 days):
23.0
Bullpen ERA (prev 7 days):
4.70

Bullpen Pitchers

ROLE PLAYERS
Aroldis Chapman
Role:
Closer
Throws:
L
Effective Rtg:
72.0
Fatigue %:
-8.7
IP 2025:
7.1
ERA:
1.23
Outings:
9
FIP:
1.37
Pitch Arsenal:
FF SI SL FS
Player Profile
LH RELIEVERS
Justin Wilson
Throws:
L
Effective Rtg:
82.0
Fatigue %:
-10.2
IP 2025:
6.0
ERA:
3.00
Outings:
8
FIP:
2.34
Pitch Arsenal:
FF SL FC
Player Profile
Brennan Bernardino
Throws:
L
Effective Rtg:
71.3
Fatigue %:
-8.9
IP 2025:
6.1
ERA:
2.84
Outings:
6
FIP:
2.85
Pitch Arsenal:
CH SI FC CU
Player Profile
RH RELIEVERS
Michael Fulmer
Throws:
R
Effective Rtg:
76.2
Fatigue %:
-15.8
IP 2025:
2.2
ERA:
10.13
Outings:
1
FIP:
8.64
Pitch Arsenal:
FC FF CU SI CH
Player Profile
Greg Weissert
Throws:
R
Effective Rtg:
72.4
Fatigue %:
-10.4
IP 2025:
8.2
ERA:
2.08
Outings:
9
FIP:
1.16
Pitch Arsenal:
FF SI SL CH ST
Player Profile
Josh Winckowski
Throws:
R
Effective Rtg:
66.3
Fatigue %:
-3.0
IP 2025:
6.2
ERA:
2.70
Outings:
4
FIP:
2.86
Pitch Arsenal:
FC FF SI CH SL
Player Profile
Garrett Whitlock
Throws:
R
Effective Rtg:
82.5
Fatigue %:
-12.4
IP 2025:
11.2
ERA:
2.31
Outings:
7
FIP:
1.72
Pitch Arsenal:
SI SL CH ST
Player Profile
Zack Kelly
Throws:
R
Effective Rtg:
74.1
Fatigue %:
-18.7
IP 2025:
10.0
ERA:
6.30
Outings:
6
FIP:
2.71
Pitch Arsenal:
FF ST FC CH
Player Profile
Justin Slaten
Throws:
R
Effective Rtg:
NA
Fatigue %:
--
IP 2025:
7.0
ERA:
5.14
Outings:
8
FIP:
2.01
Pitch Arsenal:
FC FF CU ST
Player Profile

Bullpen Usage & Stats

Last 7 Days
Player IP NP-S ERA Apr-16 Apr-15 Apr-14 Apr-13 Apr-12 Apr-11 Apr-10
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 38-25 9.00
1.0
8
19-13
1.0
8
19-12
Chris Murphy 0 0-0
Greg Weissert 2.1 34-26 0.00
1.1
20-15
1.0
6
14-11
Josh Winckowski 4.0 64-40 4.50
1.0
7
15-10
3.0
5
49-30
Garrett Whitlock 2.2 46-34 0.00
2.0
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
11-8
1.0
8
9-5
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

Bullpen Advanced Snapshot

Current State
Cumulative Fatigue & Effectiveness:
Effectiveness Rating:
74.6
Fatigue Factor:
-11.0
Current Overall Rating:
66.3
Bullpen Power Rankings
#15
#25
Cumulative Advanced Stats
BULLPEN  STATS IP ERA AVG FIP xFIP WOBA K% BB% ASSESSMENT
Cumulative  2022 77.2 3.82 0.251 2.64 3.33 0.289 23.6% 6.3% [Strong]
BP  vs L 33.2 -- 0.205 2.18 - 0.243 25.6% 6.8% [Very Strong]
BP  vs R 43.2 -- 0.282 2.99 - 0.321 22.2% 6.1% [Above Avg]
Closing Out Games
Saves / Save Opportunities:
7 / 10
Save Percentage:
70.0%
Holds:
5
Boston Pitchers w/ multiple save opportunities:
Aroldis Chapman:
40.0%
Justin Wilson:
20.0%
Justin Slaten:
20.0%
Other Relievers:
20.0%
Upcoming Matchups
Chi White Sox Bullpen
Chi White SoxCWS
Apr-18  7:10 PM ET
Boston Bullpen
BostonBOS
Detailed Matchup
Team Starting Pitchers

Walker Buehler (R)
Tanner Houck (R)
Sean Newcomb (L)
Kutter Crawford (R)
Garrett Crochet (L)
Richard Fitts (R)

IR & MiLB Prospects

Robert Stock
Chris Murphy [IL]
Frank German [IL]
Zach Penrod [IL]

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