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Team bullpen data and usage tracking

ATH
Athletics
Team Record: 39 - 57
Head Coach: Mark Kotsay
Pitching Coach: Scott Emerson
Bullpen Coach: Dan Hubbs
Basic Bullpen Snapshot
Bullpen Power Ranking:
#16
Pitchers on Roster:
13
Bullpen IP (prev 7 days):
21.0
Bullpen ERA (prev 7 days):
2.57

Bullpen Pitchers


ROLE PLAYERS
Mason Miller
Role:
Closer
Throws:
R
Effective Rtg:
86.0
Fatigue %:
0.0
IP 2025:
33.2
ERA:
4.28
Outings:
33
FIP:
2.93
Pitch Arsenal:
FF SL

LH RELIEVERS
Sean Newcomb
Throws:
L
Effective Rtg:
74.3
Fatigue %:
-3.4
IP 2025:
62.2
ERA:
3.59
Outings:
25
FIP:
3.38
Pitch Arsenal:
FF SV SI FC CH
Hogan Harris
Throws:
L
Effective Rtg:
70.0
Fatigue %:
-7.6
IP 2025:
38.0
ERA:
4.26
Outings:
28
FIP:
3.95
Pitch Arsenal:
FF CU CH

RH RELIEVERS
Michael Kelly
Throws:
R
Effective Rtg:
70.1
Fatigue %:
-2.0
IP 2025:
12.1
ERA:
0.73
Outings:
12
FIP:
4.54
Pitch Arsenal:
ST FF SL
Elvis Alvarado
Throws:
R
Effective Rtg:
75.8
Fatigue %:
0.0
IP 2025:
11.1
ERA:
3.97
Outings:
9
FIP:
3.96
Pitch Arsenal:
FF SL SI
J.T. Ginn
Throws:
R
Effective Rtg:
72.0
Fatigue %:
-11.9
IP 2025:
32.0
ERA:
4.78
Outings:
10
FIP:
4.99
Pitch Arsenal:
SI SL FC
Osvaldo Bido
Throws:
R
Effective Rtg:
63.9
Fatigue %:
-28.2
IP 2025:
52.1
ERA:
5.68
Outings:
13
FIP:
6.29
Pitch Arsenal:
FF SL SI CH FC
Jack Perkins
Throws:
R
Effective Rtg:
81.2
Fatigue %:
-9.8
IP 2025:
9.2
ERA:
3.72
Outings:
4
FIP:
3.39
Pitch Arsenal:
FF ST FC CH
Justin Sterner
Throws:
R
Effective Rtg:
73.3
Fatigue %:
-20.4
IP 2025:
34.0
ERA:
3.71
Outings:
33
FIP:
5.05
Pitch Arsenal:
FF FC ST

Bullpen Usage & Stats


Last 7 Days
Player IP NP-S ERA Jul-11 Jul-10 Jul-9 Jul-8 Jul-7 Jul-6 Jul-5
Michael Kelly 1.1 26-18 6.77
0.1
8
4-3
1.0
8
22-15
Sean Newcomb 1.1 23-16 0.00
1.0
7
20-13
0.1
7
3-3
Hogan Harris 2.0 56-30 4.50
2.0
7
56-30
Elvis Alvarado 2.0 14-10 0.00
1.0
9
7-5
1.0
9
7-5
J.T. Ginn 4.0 86-50 4.50
1.2
6
31-18
2.1
5
55-32
Osvaldo Bido 4.0 49-31 0.00
4.0
49-31
Jack Perkins 0.1 23-14 54.55
0.1
23-14
Justin Sterner 4.0 51-36 0.00
2.0
10
26-18
2.0
7
25-18
Mason Miller 2.0 29-19 0.00
1.0
9
13-8
1.0
9
16-11
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

Bullpen Advanced Snapshot


Current State
Cumulative Fatigue & Effectiveness:
Effectiveness Rating:
74.1
Fatigue Factor:
-9.3
Current Overall Rating:
67.5
Bullpen Power Rankings
Cumulative Advanced Stats
BULLPEN  STATS IP ERA AVG FIP xFIP WOBA K% BB% ASSESSMENT
Cumulative  2025 369.0 5.66 0.270 4.77 4.59 0.354 21.6% 10.5% [Very Weak]
BP  vs L 133.2 -- 0.268 5.45 - 0.365 21.6% 11.8% [Very Weak]
BP  vs R 212.0 -- 0.274 4.53 - 0.353 21.7% 10.1% [Very Weak]
Closing Out Games
Saves / Save Opportunities:
21 / 38
Save Percentage:
55.3%
Holds:
38
Athletics Pitchers w/ multiple save opportunities:
Mason Miller:
52.6%
Justin Sterner:
13.2%
Tyler Ferguson:
10.5%
José Leclerc:
5.3%
Jack Perkins:
5.3%
Grant Holman:
5.3%
Other Relievers:
7.9%
Upcoming Matchups
Team Starting Pitchers

Jeffrey Springs (L)
Drew Rucinski (R)
Luis Severino (R)
JP Sears (L)
Jacob Lopez (L)
Mitch Spence (R)

IR & MiLB Prospects