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Team bullpen data and usage tracking

BOS
Boston
Team Record: 17 - 15
Head Coach: Alex Cora
Pitching Coach: Andrew Bailey
Bullpen Coach: Chris Holt
Basic Bullpen Snapshot
Bullpen Power Ranking:
#12
Pitchers on Roster:
13
Bullpen IP (prev 7 days):
14.1
Bullpen ERA (prev 7 days):
2.51

Bullpen Pitchers

ROLE PLAYERS
LH RELIEVERS
Justin Wilson
Throws:
L
Effective Rtg:
78.2
Fatigue %:
0.0
IP 2025:
8.2
ERA:
4.15
Outings:
11
FIP:
3.07
Pitch Arsenal:
FF FC SL
Player Profile
Aroldis Chapman
Throws:
L
Effective Rtg:
80.1
Fatigue %:
-13.2
IP 2025:
11.1
ERA:
1.59
Outings:
13
FIP:
2.28
Pitch Arsenal:
FF SI SL FS
Player Profile
Sean Newcomb
Throws:
L
Effective Rtg:
73.7
Fatigue %:
0.0
IP 2025:
23.1
ERA:
4.24
Outings:
6
FIP:
2.60
Pitch Arsenal:
FF FC SV SI CH
Player Profile
RH RELIEVERS
Liam Hendriks
Throws:
R
Effective Rtg:
59.3
Fatigue %:
0.0
IP 2025:
4.0
ERA:
4.50
Outings:
4
FIP:
7.32
Pitch Arsenal:
FF SL CU
Player Profile
Greg Weissert
Throws:
R
Effective Rtg:
77.7
Fatigue %:
0.0
IP 2025:
12.1
ERA:
3.65
Outings:
13
FIP:
2.66
Pitch Arsenal:
FF SI CH SL ST
Player Profile
Garrett Whitlock
Throws:
R
Effective Rtg:
81.0
Fatigue %:
-22.1
IP 2025:
17.2
ERA:
3.06
Outings:
11
FIP:
2.67
Pitch Arsenal:
SI SL CH ST
Player Profile
Justin Slaten
Throws:
R
Effective Rtg:
78.4
Fatigue %:
-3.0
IP 2025:
10.1
ERA:
3.48
Outings:
12
FIP:
2.49
Pitch Arsenal:
FF FC CU ST
Player Profile
Luis Guerrero
Throws:
R
Effective Rtg:
80.0
Fatigue %:
-5.9
IP 2025:
4.0
ERA:
0.00
Outings:
3
FIP:
1.57
Pitch Arsenal:
FF SL ST CH
Player Profile

Bullpen Usage & Stats

Last 7 Days
Player IP NP-S ERA Apr-30 Apr-29 Apr-28 Apr-27 Apr-26 Apr-25 Apr-24
Justin Wilson 1.0 17-12 0.00
1.0
7
17-12
Liam Hendriks 1.0 18-11 0.00
1.0
9
18-11
Aroldis Chapman 2.0 21-17 0.00
1.0
11-9
1.0
9
10-8
Sean Newcomb 1.0 16-13 0.00
1.0
8
16-13
Brennan Bernardino 1.2 23-16 5.42
1.0
9
11-8
0.2
6
12-8
Chris Murphy 0 0-0
Greg Weissert 1.1 12-8 0.00
1.1
6
12-8
Garrett Whitlock 3.0 48-32 9.00
2.0
37-25
1.0
7
11-7
Zach Penrod 0 0-0
Justin Slaten 1.1 30-17 0.00
0.1
11-5
1.0
8
19-12
Luis Guerrero 2.0 24-18 0.00
1.0
8
12-9
1.0
8
12-9
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:
76.1
Fatigue Factor:
-5.5
Current Overall Rating:
71.6
Bullpen Power Rankings
#12
#12
Cumulative Advanced Stats
BULLPEN  STATS IP ERA AVG FIP xFIP WOBA K% BB% ASSESSMENT
Cumulative  2022 133.1 4.12 0.258 3.09 3.73 0.301 23.2% 7.6% [Above Avg]
BP  vs L 51.0 -- 0.207 3.23 - 0.262 23.4% 7.7% [Above Avg]
BP  vs R 81.2 -- 0.287 3.01 - 0.322 23.1% 7.5% [Average]
Closing Out Games
Saves / Save Opportunities:
8 / 14
Save Percentage:
57.1%
Holds:
9
Boston Pitchers w/ multiple save opportunities:
Aroldis Chapman:
28.6%
Justin Wilson:
21.4%
Justin Slaten:
21.4%
Other Relievers:
28.6%
Upcoming Matchups
Boston Bullpen
BostonBOS
May-01  7:07 PM ET
Toronto Bullpen
TorontoTOR
Detailed Matchup
Minnesota Bullpen
MinnesotaMIN
May-02  7:10 PM ET
Boston Bullpen
BostonBOS
Detailed Matchup
Team Starting Pitchers

Lucas Giolito (R)
Walker Buehler (R)
Tanner Houck (R)
Kutter Crawford (R)
Garrett Crochet (L)
Brayan Bello (R)
Richard Fitts (R)

IR & MiLB Prospects

Brennan Bernardino [IL]
Chris Murphy [IL]
Zach Penrod [IL]

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