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National League:
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Game Matchup Breakdown

San Francisco Giants
San Francisco Giants
@
August 4, 2025 6:40 PM ET
PNC Park
Pittsburgh Pirates
Pittsburgh Pirates

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
Justin Verlander
Projected SP: Justin Verlander
Throws: R
vs PIT
Confirmed Lineup
1 - L - Spencer Horwitz - 1B
2 - R - Tommy Pham - LF
3 - R - Nick Gonzales - 2B
4 - L - Oneil Cruz - CF
5 - R - Andrew McCutchen - RF
6 - R - Liover Peguero - SS
7 - L - Jack Suwinski - RF
8 - R - Joey Bart - C
9 - R - Isiah Kiner-Falefa - SS

Projected SP: Johan Oviedo - throws: R
LIKELY TO PITCH

San Francisco Bullpen Usage & Stats

Last 7 Days
Player IP NP-S ERA Aug-28 Aug-27 Aug-26 Aug-25 Aug-24 Aug-23 Aug-22
Matt Gage 1.0 24-14 0.00
0.1
7
1-1
0.2
5
23-13
Tristan Beck 1.0 15-10 0.00
1.0
8
15-10
Joey Lucchesi 3.1 51-33 5.41
0.2
11-7
1.1
7
19-13
1.0
7
12-7
0.1
7
9-6
Joel Peguero 3.2 47-32 0.00
2.0
6
25-18
1.2
6
22-14
José Buttó 4.0 43-28 0.00
1.0
8-6
0.2
8
7-4
1.0
8
11-7
1.1
5
17-11
Ryan Walker 3.2 61-42 0.00
0.1
4-2
1.0
9
18-13
1.0
9
22-14
1.1
7
17-13
Keaton Winn 0 0-0
Randy Rodríguez 1.0 15-9 9.00
1.0
8
15-9
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
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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

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.

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