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National League:
Arizona Bullpen
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American League:
Baltimore Bullpen
Boston Bullpen
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Minnesota Bullpen
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Game Matchup Breakdown

Baltimore Orioles
Baltimore Orioles
@
August 29, 2025 7:15 PM ET
Oracle Park
San Francisco Giants
San Francisco Giants

San Francisco Bullpen Pitchers

ALL BULLPEN PITCHERS
Matt Gage
Matt Gage
Throws:
L
Effective Rtg:
83.3
Fatigue %:
-15.2
IP 2025:
24.0
ERA:
1.88
Outings:
24
FIP:
2.61
Pitch Arsenal:
SL FF SI CH
Player Profile
Tristan Beck
Tristan Beck
Throws:
R
Effective Rtg:
76.0
Fatigue %:
-33.4
IP 2025:
41.0
ERA:
5.27
Outings:
23
FIP:
3.94
Pitch Arsenal:
FF ST SL CU
Player Profile
JT Brubaker
JT Brubaker
Throws:
R
Effective Rtg:
71.9
Fatigue %:
0.0
IP 2025:
16.0
ERA:
3.38
Outings:
12
FIP:
3.74
Pitch Arsenal:
SI SL CH
Player Profile
Joey Lucchesi
Joey Lucchesi
Throws:
L
Effective Rtg:
80.7
Fatigue %:
-12.1
IP 2025:
28.0
ERA:
3.54
Outings:
28
FIP:
3.29
Pitch Arsenal:
SI CU FF
Player Profile
Joel Peguero
Joel Peguero
Throws:
R
Effective Rtg:
77.4
Fatigue %:
-5.8
IP 2025:
6.0
ERA:
0.00
Outings:
4
FIP:
1.94
Pitch Arsenal:
SI SL FF
Player Profile
José Buttó
José Buttó
Throws:
R
Effective Rtg:
80.9
Fatigue %:
0.0
IP 2025:
58.1
ERA:
3.39
Outings:
46
FIP:
3.16
Pitch Arsenal:
FF SL SI CH ST
Player Profile
Ryan Walker
Ryan Walker
Throws:
R
Effective Rtg:
82.0
Fatigue %:
0.0
IP 2025:
53.1
ERA:
3.54
Outings:
57
FIP:
2.92
Pitch Arsenal:
SI SL
Player Profile
Keaton Winn
Keaton Winn
Throws:
R
Effective Rtg:
74.7
Fatigue %:
-15.0
IP 2025:
4.0
ERA:
4.50
Outings:
3
FIP:
4.61
Pitch Arsenal:
FS SI FF
Player Profile
Carson Seymour
Carson Seymour
Throws:
R
Effective Rtg:
63.8
Fatigue %:
-34.2
IP 2025:
24.2
ERA:
4.74
Outings:
11
FIP:
7.33
Pitch Arsenal:
SI FF SL FC CU
Player Profile
Spencer Bivens
Spencer Bivens
Throws:
R
Effective Rtg:
75.3
Fatigue %:
-37.3
IP 2025:
69.1
ERA:
4.28
Outings:
45
FIP:
3.61
Pitch Arsenal:
SI FC CH ST FF
Player Profile
SF Starter
Robbie Ray
Projected SP: Robbie Ray
Throws: L
vs BAL
Confirmed Lineup
1 - L - Jackson Holliday - 2B
2 - R - Jeremiah Jackson - 2B
3 - L - Gunnar Henderson - SS
4 - R - Ryan Mountcastle - 1B
5 - R - Emmanuel Rivera - 3B
6 - L - Colton Cowser - LF
7 - R - Coby Mayo - 1B
8 - L - Dylan Beavers - RF
9 - R - Alex Jackson - C

Projected SP: Dean Kremer - throws: R
LIKELY TO PITCH
Matt Gage
Matt Gage
Effective Rtg:
Eff Rtg:
83.3
Fatigue %:
-15.2
Player Profile
Tristan Beck
Tristan Beck
Effective Rtg:
Eff Rtg:
76.0
Fatigue %:
-33.4
Player Profile
José Buttó
José Buttó
Effective Rtg:
Eff Rtg:
80.9
Fatigue %:
0.0
Player Profile
Ryan Walker
Ryan Walker
Effective Rtg:
Eff Rtg:
82.0
Fatigue %:
0.0
Player Profile
Spencer Bivens
Spencer Bivens
Effective Rtg:
Eff Rtg:
75.3
Fatigue %:
-37.3
Player Profile

San Francisco Bullpen Usage & Stats

Last 7 Days
Player IP NP-S ERA Aug-31 Aug-30 Aug-29 Aug-28 Aug-27 Aug-26 Aug-25
Matt Gage 2.0 48-29 13.50
1.0
7
33-19
1.0
7
15-10
Tristan Beck 4.2 78-56 7.73
3.2
4
63-46
1.0
8
15-10
JT Brubaker 0 0-0
Joey Lucchesi 3.0 56-36 0.00
1.0
6
26-16
0.2
9
11-7
1.1
7
19-13
Joel Peguero 2.1 32-23 0.00
0.1
8
7-5
2.0
6
25-18
José Buttó 1.2 15-10 0.00
1.0
8
8-6
0.2
8
7-4
Ryan Walker 1.1 22-15 0.00
0.1
9
4-2
1.0
9
18-13
Keaton Winn 2.0 38-26 9.00
2.0
8
38-26
Carson Seymour 4.0 76-47 9.00
3.0
1
60-39
1.0
9
16-8
Spencer Bivens 4.2 59-41 3.86
3.0
7
48-36
1.2
5
11-5
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

San Francisco Bullpen Matchup Analysis

Advanced Snapshot
Cumulative Fatigue & Effectiveness:
Effectiveness Rating:
76.6
Fatigue Factor:
-15.3
Current Overall Rating:
65.3
Bullpen Power Rankings
#22
#20
Expected Game Results
Bullpen Expected Results:
Bullpen Innings Expected:
5.0
Bullpen Runs Expected:
2.01
Blowout Potential:
[]
Starting Pitcher Expected Results:
Starter Innings Expected:
4.0
Starter Runs Expected:
1.49
Early Exit Risk:
[Moderate]
Bullpen Expected Results vs Team
GAME RESULTS EXPECTED AVG OPS FIP ERA xWOBA K% BB% ASSESSMENT
Expected  Overall 0.236 0.645 3.22 3.58 0.295 23.5% 7.9% [Above Avg]
Expected  vs L 0.228 0.645 - - - 22.6% 8.5% [Above Avg]
Expected  vs R 0.240 0.645 - - - 24.3% 6.3% [Strong]

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