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National League:
Arizona Bullpen
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Milwaukee Bullpen
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Game Matchup Breakdown

Chicago Cubs
Chicago Cubs
@
August 28, 2025 12:45 AM 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 %:
-6.0
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:
82.2
Fatigue %:
-2.9
IP 2025:
26.1
ERA:
3.76
Outings:
26
FIP:
3.15
Pitch Arsenal:
SI CU FF
Player Profile
Joel Peguero
Joel Peguero
Throws:
R
Effective Rtg:
76.5
Fatigue %:
-16.1
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:
80.9
Fatigue %:
0.0
IP 2025:
57.1
ERA:
3.45
Outings:
45
FIP:
3.20
Pitch Arsenal:
FF SL SI CH ST
Player Profile
Ryan Walker
Ryan Walker
Throws:
R
Effective Rtg:
81.8
Fatigue %:
-8.0
IP 2025:
53.0
ERA:
3.57
Outings:
56
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 %:
-6.5
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
Logan Webb
Projected SP: Logan Webb
Throws: R
vs CHC
Projected Lineup
1 - L - Michael Busch - 1B
2 - L - Kyle Tucker - RF
3 - R - Seiya Suzuki - RF
4 - L - Pete Crow-Armstrong - CF
5 - R - Carson Kelly - C
6 - S - Ian Happ - LF
7 - R - Nico Hoerner - 2B
8 - R - Dansby Swanson - SS
9 - R - Matt Shaw - 3B

Projected SP: Shota Imanaga - throws: L
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 %:
-6.0
Player Profile
José Buttó
José Buttó
Effective Rtg:
Eff Rtg:
80.9
Fatigue %:
0.0
Player Profile
Carson Seymour
Carson Seymour
Effective Rtg:
Eff Rtg:
65.6
Fatigue %:
-6.5
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-27 Aug-26 Aug-25 Aug-24 Aug-23 Aug-22 Aug-21
Matt Gage 1.2 41-25 5.42
0.1
7
1-1
0.2
5
23-13
0.2
5
17-11
Tristan Beck 1.0 15-10 0.00
1.0
15-10
Joey Lucchesi 2.2 40-26 6.77
1.1
7
19-13
1.0
7
12-7
0.1
7
9-6
Joel Peguero 5.2 79-54 0.00
2.0
25-18
1.2
6
22-14
2.0
6
32-22
José Buttó 3.0 35-22 0.00
0.2
8
7-4
1.0
8
11-7
1.1
5
17-11
Ryan Walker 3.1 57-40 0.00
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
16-8
Spencer Bivens 3.0 41-28 0.00
2.0
8
31-21
1.0
8
10-7
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:
-4.4
Current Overall Rating:
74.9
Bullpen Power Rankings
#2
#7
Expected Game Results
Bullpen Expected Results:
Bullpen Innings Expected:
4.2
Bullpen Runs Expected:
1.95
Blowout Potential:
[]
Starting Pitcher Expected Results:
Starter Innings Expected:
4.1
Starter Runs Expected:
1.55
Early Exit Risk:
[Low]
Bullpen Expected Results vs Team
GAME RESULTS EXPECTED AVG OPS FIP ERA xWOBA K% BB% ASSESSMENT
Expected  Overall 0.244 0.683 3.72 3.68 0.313 21.9% 8.6% [Average]
Expected  vs L 0.239 0.679 - - - 18% 9.5% [Average]
Expected  vs R 0.244 0.689 - - - 25.2% 6.6% [Above Avg]

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