Select a bullpen:
Arizona Bullpen
Atlanta Bullpen
Chicago Bullpen
Cincinnati Bullpen
Colorado Bullpen
Los Angeles Bullpen
Miami Bullpen
Milwaukee Bullpen
New York Bullpen
Philadelphia Bullpen
Pittsburgh Bullpen
San Diego Bullpen
San Francisco Bullpen
St Louis Bullpen
Washington Bullpen
Baltimore Bullpen
Boston Bullpen
Chicago Bullpen
Cleveland Bullpen
Detroit Bullpen
Houston Bullpen
Kansas City Bullpen
Los Angeles Bullpen
Minnesota Bullpen
New York Bullpen
Athletics Bullpen
Seattle Bullpen
Tampa Bay Bullpen
Texas Bullpen
Toronto Bullpen

National League:
Arizona Bullpen
Atlanta Bullpen
Chicago Bullpen
Cincinnati Bullpen
Colorado Bullpen
Los Angeles Bullpen
Miami Bullpen
Milwaukee Bullpen
New York Bullpen
Philadelphia Bullpen
Pittsburgh Bullpen
San Diego Bullpen
San Francisco Bullpen
St Louis Bullpen
Washington Bullpen
American League:
Baltimore Bullpen
Boston Bullpen
Chicago Bullpen
Cleveland Bullpen
Detroit Bullpen
Houston Bullpen
Kansas City Bullpen
Los Angeles Bullpen
Minnesota Bullpen
New York Bullpen
Athletics Bullpen
Seattle Bullpen
Tampa Bay Bullpen
Texas Bullpen
Toronto Bullpen

Game Matchup Breakdown

Seattle Mariners
Seattle Mariners
@
September 16, 2025 6:40 PM ET
Kauffman Stadium
Kansas City Royals
Kansas City Royals

Kansas City Bullpen Pitchers

ALL BULLPEN PITCHERS
Carlos Estévez
Carlos Estévez
Throws:
R
Effective Rtg:
76.6
Fatigue %:
-6.5
IP 2025:
63.0
ERA:
2.43
Outings:
64
FIP:
3.71
Pitch Arsenal:
FF SL CH
Player Profile
Daniel Lynch IV
Daniel Lynch IV
Throws:
L
Effective Rtg:
74.4
Fatigue %:
0.0
IP 2025:
62.1
ERA:
2.89
Outings:
54
FIP:
4.60
Pitch Arsenal:
SL FF SI CH KC
Player Profile
Taylor Clarke
Taylor Clarke
Throws:
R
Effective Rtg:
76.3
Fatigue %:
-4.0
IP 2025:
50.0
ERA:
3.60
Outings:
46
FIP:
4.06
Pitch Arsenal:
SL FF CH SI
Player Profile
Lucas Erceg
Lucas Erceg
Throws:
R
Effective Rtg:
81.5
Fatigue %:
-2.6
IP 2025:
60.1
ERA:
2.54
Outings:
60
FIP:
3.32
Pitch Arsenal:
FF SL SI CH
Player Profile
Sam Long
Sam Long
Throws:
L
Effective Rtg:
69.2
Fatigue %:
-2.0
IP 2025:
37.1
ERA:
5.06
Outings:
36
FIP:
4.80
Pitch Arsenal:
FF SL CU SI FS
Player Profile
John Schreiber
John Schreiber
Throws:
R
Effective Rtg:
77.7
Fatigue %:
-2.5
IP 2025:
59.1
ERA:
3.79
Outings:
68
FIP:
4.27
Pitch Arsenal:
FF ST SI FC
Player Profile
Angel Zerpa
Angel Zerpa
Throws:
L
Effective Rtg:
74.0
Fatigue %:
0.0
IP 2025:
61.0
ERA:
3.98
Outings:
65
FIP:
3.94
Pitch Arsenal:
SI SL FF
Player Profile
Luinder Avila
Luinder Avila
Throws:
R
Effective Rtg:
81.2
Fatigue %:
-2.0
IP 2025:
8.1
ERA:
1.08
Outings:
7
FIP:
1.70
Pitch Arsenal:
CU FF SI
Player Profile
Jonathan Bowlan
Jonathan Bowlan
Throws:
R
Effective Rtg:
82.4
Fatigue %:
0.0
IP 2025:
38.1
ERA:
3.99
Outings:
28
FIP:
4.05
Pitch Arsenal:
FF SL SI CU CH
Player Profile
KC Starter
Michael Wacha
Projected SP: Michael Wacha
Throws: R
vs SEA
Projected Lineup
1 - R - Randy Arozarena - LF
2 - S - Cal Raleigh - C
3 - R - Julio Rodríguez - CF
4 - L - Josh Naylor - 1B
5 - S - Jorge Polanco - 2B
6 - R - Eugenio Suárez - 3B
7 - L - Dominic Canzone - RF
8 - S - Leo Rivas - 2B
9 - L - J.P. Crawford - SS

Projected SP: Logan Gilbert - throws: R
LIKELY TO PITCH
Carlos Estévez
Carlos Estévez
Effective Rtg:
Eff Rtg:
76.6
Fatigue %:
-6.5
Player Profile
Sam Long
Sam Long
Effective Rtg:
Eff Rtg:
69.2
Fatigue %:
-2.0
Player Profile
John Schreiber
John Schreiber
Effective Rtg:
Eff Rtg:
77.7
Fatigue %:
-2.5
Player Profile
Luinder Avila
Luinder Avila
Effective Rtg:
Eff Rtg:
81.2
Fatigue %:
-2.0
Player Profile
Jonathan Bowlan
Jonathan Bowlan
Effective Rtg:
Eff Rtg:
82.4
Fatigue %:
0.0
Player Profile

Kansas City Bullpen Usage & Stats

Last 7 Days
Player IP NP-S ERA Sep-15 Sep-14 Sep-13 Sep-12 Sep-11 Sep-10 Sep-9
Carlos Estévez 1.2 23-16 0.00
0.2
9
8-4
1.0
9
15-12
Daniel Lynch IV 2.0 26-14 0.00
2.0
4
26-14
Taylor Clarke 1.1 34-21 20.30
0.1
7
12-8
1.0
7
22-13
Lucas Erceg 3.0 38-22 0.00
1.0
8
12-7
2.0
7
26-15
Sam Long 2.0 43-28 0.00
0.2
7
3-2
1.0
6
26-18
0.1
4
14-8
John Schreiber 3.0 34-22 9.00
1.0
8
10-6
1.1
7
18-13
0.2
8
6-3
Angel Zerpa 3.0 63-38 12.00
1.0
5
22-14
1.2
3
22-13
0.1
8
19-11
Luinder Avila 3.1 50-30 0.00
0.1
9
8-5
1.0
8
11-8
2.0
5
31-17
Jonathan Bowlan 3.0 55-38 9.00
1.0
6
19-14
2.0
1
36-24
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

Kansas City Bullpen Matchup Analysis

Advanced Snapshot
Cumulative Fatigue & Effectiveness:
Effectiveness Rating:
77.0
Fatigue Factor:
-2.2
Current Overall Rating:
75.4
Bullpen Power Rankings
#18
#8
Expected Game Results
Bullpen Expected Results:
Bullpen Innings Expected:
5.0
Bullpen Runs Expected:
2.74
Blowout Potential:
[]
Starting Pitcher Expected Results:
Starter Innings Expected:
4.0
Starter Runs Expected:
1.76
Early Exit Risk:
[Moderate]
Bullpen Expected Results vs Team
GAME RESULTS EXPECTED AVG OPS FIP ERA xWOBA K% BB% ASSESSMENT
Expected  Overall 0.235 0.699 4.23 3.72 0.323 23.4% 9.2% [Below Avg]
Expected  vs L 0.256 0.781 - - - 23.7% 10.3% [Below Avg]
Expected  vs R 0.216 0.651 - - - 26.7% 9.5% [Strong]

Premium Member Services & Donations

About Our Site Privacy Policy Contact Us

Terms of Use DMCA Policy

SOCIAL

RECOMMENDED SITES
IndepthStats - LineupVault

Inside the Pen Inside t Pen™

©2022-2025 InsidethePen.com
All rights reserved

All MLB player headshots are licensed via Imagn/USA TODAY Sports.
All images remain the property of their copyright holders.

All team logos are the trademark & property of their respective owners and not InsidethePen.com. We present them here in an editorial context for informational and educational purposes.

`