Select a bullpen:
Arizona Bullpen
Atlanta Bullpen
Chicago Bullpen
Cincinnati Bullpen
Colorado Bullpen
Los Angeles Bullpen
Miami Bullpen
Milwaukee Bullpen
New York Bullpen
Philadelphia Bullpen
Pittsburgh Bullpen
San Diego Bullpen
San Francisco Bullpen
St Louis Bullpen
Washington Bullpen
Baltimore Bullpen
Boston Bullpen
Chicago Bullpen
Cleveland Bullpen
Detroit Bullpen
Houston Bullpen
Kansas City Bullpen
Los Angeles Bullpen
Minnesota Bullpen
New York Bullpen
Athletics Bullpen
Seattle Bullpen
Tampa Bay Bullpen
Texas Bullpen
Toronto Bullpen

National League:
Arizona Bullpen
Atlanta Bullpen
Chicago Bullpen
Cincinnati Bullpen
Colorado Bullpen
Los Angeles Bullpen
Miami Bullpen
Milwaukee Bullpen
New York Bullpen
Philadelphia Bullpen
Pittsburgh Bullpen
San Diego Bullpen
San Francisco Bullpen
St Louis Bullpen
Washington Bullpen
American League:
Baltimore Bullpen
Boston Bullpen
Chicago Bullpen
Cleveland Bullpen
Detroit Bullpen
Houston Bullpen
Kansas City Bullpen
Los Angeles Bullpen
Minnesota Bullpen
New York Bullpen
Athletics Bullpen
Seattle Bullpen
Tampa Bay Bullpen
Texas Bullpen
Toronto Bullpen

Game Matchup Breakdown

San Francisco Giants
San Francisco Giants
@
September 16, 2025 6:40 PM ET
Chase Field
Arizona Diamondbacks
Arizona Diamondbacks

San Francisco Bullpen Pitchers

ALL BULLPEN PITCHERS
Matt Gage
Matt Gage
Throws:
L
Effective Rtg:
80.8
Fatigue %:
-10.5
IP 2025:
28.1
ERA:
3.18
Outings:
29
FIP:
2.82
Pitch Arsenal:
SL FF SI CH
Player Profile
Tristan Beck
Tristan Beck
Throws:
R
Effective Rtg:
77.3
Fatigue %:
0.0
IP 2025:
48.0
ERA:
4.88
Outings:
26
FIP:
4.27
Pitch Arsenal:
FF ST SL CU
Player Profile
JT Brubaker
JT Brubaker
Throws:
R
Effective Rtg:
74.3
Fatigue %:
-11.9
IP 2025:
22.1
ERA:
4.03
Outings:
15
FIP:
3.27
Pitch Arsenal:
SI SL CH
Player Profile
Joey Lucchesi
Joey Lucchesi
Throws:
L
Effective Rtg:
79.5
Fatigue %:
-12.7
IP 2025:
34.1
ERA:
3.41
Outings:
34
FIP:
3.66
Pitch Arsenal:
SI CU FF
Player Profile
Joel Peguero
Joel Peguero
Throws:
R
Effective Rtg:
77.6
Fatigue %:
-25.9
IP 2025:
14.2
ERA:
1.84
Outings:
11
FIP:
2.87
Pitch Arsenal:
SI SL FF
Player Profile
José Buttó
José Buttó
Throws:
R
Effective Rtg:
79.7
Fatigue %:
0.0
IP 2025:
63.1
ERA:
3.84
Outings:
51
FIP:
3.46
Pitch Arsenal:
FF SL SI CH ST
Player Profile
Ryan Walker
Ryan Walker
Throws:
R
Effective Rtg:
81.3
Fatigue %:
0.0
IP 2025:
57.0
ERA:
3.79
Outings:
62
FIP:
3.00
Pitch Arsenal:
SI SL
Player Profile
Keaton Winn
Keaton Winn
Throws:
R
Effective Rtg:
77.9
Fatigue %:
-25.4
IP 2025:
10.0
ERA:
4.50
Outings:
7
FIP:
3.24
Pitch Arsenal:
FS FF SI
Player Profile
Spencer Bivens
Spencer Bivens
Throws:
R
Effective Rtg:
75.9
Fatigue %:
-11.8
IP 2025:
74.2
ERA:
4.10
Outings:
48
FIP:
3.61
Pitch Arsenal:
SI FC CH ST FF
Player Profile
vs AZ
Projected Lineup
1 - S - Geraldo Perdomo - SS
2 - S - Ketel Marte - 2B
3 - L - Corbin Carroll - RF
4 - R - Gabriel Moreno - C
5 - R - Blaze Alexander - SS
6 - S - Ildemaro Vargas - 2B
7 - L - Alek Thomas - CF
8 - R - James McCann - C
9 - L - Jake McCarthy - CF

Projected SP: Eduardo Rodriguez - throws: L
LIKELY TO PITCH

San Francisco Bullpen Usage & Stats

Last 7 Days
Player IP NP-S ERA Sep-15 Sep-14 Sep-13 Sep-12 Sep-11 Sep-10 Sep-9
Matt Gage 2.2 63-42 16.92
1.0
17-11
1.1
5
31-19
0.1
6
15-12
Tristan Beck 2.0 28-19 0.00
2.0
7
28-19
JT Brubaker 4.0 68-47 2.25
2.0
7
31-21
2.0
7
37-26
Joey Lucchesi 2.2 50-29 6.77
0.2
22-13
1.0
8
17-8
1.0
8
11-8
Joel Peguero 4.0 70-36 6.75
0.1
15-5
1.0
5
29-13
1.0
10
3-2
1.2
6
23-16
José Buttó 1.2 38-24 16.27
0.2
5
20-13
1.0
9
18-11
Ryan Walker 2.0 31-21 0.00
1.0
9
14-10
1.0
9
17-11
Keaton Winn 4.0 74-53 6.75
2.0
33-23
1.0
9
13-11
1.0
6
28-19
Spencer Bivens 4.2 74-45 3.86
1.0
6
25-18
3.2
2
49-27
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

San Francisco Bullpen Matchup Analysis

Advanced Snapshot
Cumulative Fatigue & Effectiveness:
Effectiveness Rating:
78.3
Fatigue Factor:
-10.9
Current Overall Rating:
69.8
Bullpen Power Rankings
#22
#21
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.

Premium Member Services & Donations

About Our Site Privacy Policy Contact Us

Terms of Use DMCA Policy

SOCIAL

RECOMMENDED SITES
IndepthStats - LineupVault

Inside the Pen Inside t Pen™

©2022-2025 InsidethePen.com
All rights reserved

All MLB player headshots are licensed via Imagn/USA TODAY Sports.
All images remain the property of their copyright holders.

All team logos are the trademark & property of their respective owners and not InsidethePen.com. We present them here in an editorial context for informational and educational purposes.

`