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National League:
Arizona Bullpen
Atlanta Bullpen
Chicago Bullpen
Cincinnati Bullpen
Colorado Bullpen
Los Angeles Bullpen
Miami Bullpen
Milwaukee Bullpen
New York Bullpen
Philadelphia Bullpen
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American League:
Baltimore 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:
84.2
Fatigue %:
0.0
IP 2025:
22.0
ERA:
0.82
Outings:
22
FIP:
2.61
Pitch Arsenal:
SL FF SI CH
Player Profile
Tristan Beck
Tristan Beck
Throws:
R
Effective Rtg:
76.1
Fatigue %:
-1.0
IP 2025:
37.1
ERA:
4.82
Outings:
22
FIP:
3.91
Pitch Arsenal:
FF SL ST CU
Player Profile
Joey Lucchesi
Joey Lucchesi
Throws:
L
Effective Rtg:
81.8
Fatigue %:
-4.0
IP 2025:
27.0
ERA:
3.67
Outings:
27
FIP:
3.18
Pitch Arsenal:
SI CU FF
Player Profile
Joel Peguero
Joel Peguero
Throws:
R
Effective Rtg:
76.5
Fatigue %:
-12.5
IP 2025:
5.2
ERA:
0.00
Outings:
3
FIP:
2.23
Pitch Arsenal:
SI SL FF
Player Profile
José Buttó
José Buttó
Throws:
R
Effective Rtg:
80.8
Fatigue %:
-3.0
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:
81.9
Fatigue %:
-5.0
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:
80.6
Fatigue %:
0.0
IP 2025:
2.0
ERA:
0.00
Outings:
2
FIP:
2.61
Pitch Arsenal:
FS FF SI
Player Profile
Carson Seymour
Carson Seymour
Throws:
R
Effective Rtg:
65.6
Fatigue %:
-9.1
IP 2025:
21.2
ERA:
3.74
Outings:
10
FIP:
6.62
Pitch Arsenal:
SI FF SL CU FC
Player Profile
Spencer Bivens
Spencer Bivens
Throws:
R
Effective Rtg:
76.2
Fatigue %:
0.0
IP 2025:
64.2
ERA:
4.31
Outings:
43
FIP:
3.60
Pitch Arsenal:
SI FC CH ST SV
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:
84.2
Fatigue %:
0.0
Player Profile
Tristan Beck
Tristan Beck
Effective Rtg:
Eff Rtg:
76.1
Fatigue %:
-1.0
Player Profile
José Buttó
José Buttó
Effective Rtg:
Eff Rtg:
80.8
Fatigue %:
-3.0
Player Profile
Ryan Walker
Ryan Walker
Effective Rtg:
Eff Rtg:
81.9
Fatigue %:
-5.0
Player Profile
Spencer Bivens
Spencer Bivens
Effective Rtg:
Eff Rtg:
76.2
Fatigue %:
0.0
Player Profile

San Francisco Bullpen Usage & Stats

Last 7 Days
Player IP NP-S ERA Aug-29 Aug-28 Aug-27 Aug-26 Aug-25 Aug-24 Aug-23
Matt Gage 0.1 1-1 0.00
0.1
7
1-1
Tristan Beck 1.0 15-10 0.00
1.0
8
15-10
Joey Lucchesi 3.0 42-27 0.00
0.2
11-7
1.1
7
19-13
1.0
7
12-7
Joel Peguero 3.2 47-32 0.00
2.0
6
25-18
1.2
6
22-14
José Buttó 2.2 26-17 0.00
1.0
8-6
0.2
8
7-4
1.0
8
11-7
Ryan Walker 2.1 44-29 0.00
0.1
4-2
1.0
9
18-13
1.0
9
22-14
Keaton Winn 0 0-0
Randy Rodríguez 0 0-0
Carson Seymour 1.0 16-8 0.00
1.0
9
16-8
Spencer Bivens 2.0 31-21 0.00
2.0
8
31-21
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:
78.2
Fatigue Factor:
-3.8
Current Overall Rating:
75.3
Bullpen Power Rankings
#1
#5
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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