Baseball Player Won-Loss Records
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2015 Season

The 2015 Season as seen through the Prism of Player Won-Lost Records

I continue my journey back through the seasons for which I have calculated Player won-lost records with a recent season that I'm sure is near and dear to Kansas City area baseball fans. This article takes a look at the 2015 season as measured by Player won-lost records.

The Best of 2015

I calculate Player won-lost records two ways: pWins, which tie to team wins and eWins, which control for context and the ability of one's teammates. For players with more pWins than eWins, their Player wins contributed to more team wins than one might expect; for players with more eWins than pWins, just the opposite is true: their Player wins translated into fewer team wins than expected. Or more briefly: a player with more pWins than eWins was better in context, a player with more eWins than pWins was worse in context.

The top 10 players in pWins above Positional Average and Replacement Level were as follows.

pWins over Positional Average
Top 10 Players
pWins over Replacement Level
Top 10 Players
Player pWins pLosses pWOPA pWORL Player pWins pLosses pWOPA pWORL
1Jake Arrieta17.710.88.3
9.9
1Jake Arrieta17.710.88.3
9.9
2Mike Trout23.815.77.8
9.7
2Bryce Harper26.317.57.8
9.8
3Bryce Harper26.317.57.8
9.8
3Mike Trout23.815.77.8
9.7
4Matt Carpenter22.714.87.3
9.0
4Matt Carpenter22.714.87.3
9.0
5Josh Donaldson24.217.06.9
8.8
5Josh Donaldson24.217.06.9
8.8
6Anthony Rizzo22.213.96.8
8.5
6Anthony Rizzo22.213.96.8
8.5
7Zack Greinke15.29.66.7
8.2
7Zack Greinke15.29.66.7
8.2
8Andrew McCutchen22.315.26.4
8.2
8Andrew McCutchen22.315.26.4
8.2
9Kris Bryant23.016.06.2
8.1
9Kris Bryant23.016.06.2
8.1
10Yoenis Cespedes23.016.85.9
7.8
10Yoenis Cespedes23.016.85.9
7.8


The top 10 players in eWins above Positional Average and Replacement Level were as follows.

eWins over Positional Average
Top 10 Players
eWins over Replacement Level
Top 10 Players
Player eWins eLosses eWOPA eWORL Player eWins eLosses eWOPA eWORL
1Jake Arrieta17.710.88.4
10.1
1Jake Arrieta17.710.88.4
10.1
2Bryce Harper26.417.38.0
10.0
2Bryce Harper26.417.38.0
10.0
3Mike Trout23.116.46.2
8.1
3Mike Trout23.116.46.2
8.1
4Clayton Kershaw15.610.66.2
7.7
4Josh Donaldson23.617.55.8
7.7
5Josh Donaldson23.617.55.8
7.7
5Clayton Kershaw15.610.66.2
7.7
6Dallas Keuchel16.211.15.5
7.3
6Dallas Keuchel16.211.15.5
7.3
7Paul Goldschmidt20.914.05.4
7.0
7Paul Goldschmidt20.914.05.4
7.0
8Zack Greinke14.310.54.9
6.4
8Zack Greinke14.310.54.9
6.4
9Yoenis Cespedes22.317.54.5
6.3
9Yoenis Cespedes22.317.54.5
6.3
10Jacob deGrom13.310.24.2
5.6
10Jose 'Joey Bats' Bautista20.415.64.1
5.9


I take a look at some of the most interesting players of 2015 at the end of this article.

2015 Postseason

The 2015 postseason was a wonderful celebration of new and exciting teams. Entering the playoffs, only 2 of the 10 2015 playoff teams had won a World Series in the Wild Card era (i.e., since 1995) and these two teams were two of the first three teams eliminated in 2015.

The NLCS featured a classic matchup of great young hitters vs. great young pitchers. The ALCS featured a classic matchup of power vs. speed. Pitching and speed won, and the World Series saw a wonderful performance that gave Kansas City its first championship in 30 years. The top players of the 2015 postseason are shown in the tables below.

2015 Postseason: Total
Player Team pWins pLosses pWORL
Alex GordonKCA2.61.71.1
Marco EstradaTOR1.50.61.1
Wade DavisKCA1.30.41.1
Jacob deGromNYN2.11.51.0
Eric HosmerKCA2.41.50.9
Dallas KeuchelHOU1.30.60.9
Mike MoustakasKCA2.21.40.9
Alcides EscobarKCA2.21.60.9
Curtis GrandersonNYN2.51.70.8
Jorge SolerCHN1.30.60.8


Top postseason players by round were as follows.

2015 World Series
Player Team pWins pLosses Net Wins
Mike MoustakasKCA1.00.40.6
Eric HosmerKCA1.00.50.5
Alex GordonKCA1.00.50.5
Ben ZobristKCA0.80.40.4
Johnny CuetoCIN0.50.20.3

2015 Postseason: League Championship Series
Player Team pWins pLosses Net Wins
Lucas DudaNYN1.00.20.7
Daniel MurphyNYN0.90.30.7
Yoenis CespedesDET0.80.30.5
David WrightNYN0.90.40.5
Alcides EscobarKCA1.00.50.5

2015 Postseason: Division Series
Player Team pWins pLosses Net Wins
Jorge SolerCHN1.00.20.8
Jacob deGromNYN1.30.60.8
Josh DonaldsonTOR1.00.40.6
Justin TurnerLAN1.00.40.5
Salvador PerezKCA0.80.30.5

2015 Postseason: Wild Card Round
Player Team pWins pLosses Net Wins
Kyle SchwarberCHN0.60.00.5
Jake ArrietaCHN0.80.30.5
Dallas KeuchelHOU0.60.20.4



Just for fun, the next table compares the 2015 World Champion Royals with the only other Kansas City Royals team to win the World Series: the 1985 Royals. The 1985 Royals had bigger stars - Bret Saberhagen, George Brett - but the 2015 Royals had a deeper list of contributors. Both teams, of course, were excellent.

1985 vs. 2015 Kansas City Royals: Players sorted by pWORL

1985 Royals           2015 Royals
Player pWins pLosses pWOPA pWORL           Player pWins pLosses pWOPA pWORL
Bret Saberhagen15.88.57.5
9.1
Lorenzo Cain21.416.84.3
6.1
George Brett22.215.46.8
8.6
Eric Hosmer18.914.13.8
5.3
Dan Quisenberry10.57.03.3
5.1
Wade Davis5.52.13.3
4.1
Charlie Leibrandt14.011.13.0
4.6
Edison Volquez13.111.02.4
4.0
Hal McRae9.66.92.6
3.7
Kendry Morales15.312.52.1
4.0
Danny Jackson13.011.02.1
3.7
Alex Gordon12.710.12.5
3.6
Steve Balboni16.614.50.8
2.3
Mike Moustakas18.716.51.8
3.5
Mark Gubicza10.39.70.7
2.0
Salvador Perez13.012.01.8
3.0
Frank White18.618.8-0.0
1.7
Ryan Madson4.52.12.2
2.9
Willie Wilson18.018.0-0.4
1.3
Greg Holland5.23.12.0
2.9
Jim Sundberg8.48.40.4
1.2
Yordano Ventura10.69.71.2
2.5
Lonnie Smith14.714.3-0.3
1.1
Kelvin Herrera5.54.01.4
2.4
Buddy Biancalana5.35.30.4
0.9
Alcides Escobar17.617.70.7
2.4
Bud Black12.613.6-0.8
0.8
Omar Infante12.211.90.6
1.7
Darryl Motley12.412.4-0.4
0.8
Chris R. Young6.96.20.8
1.7
Jorge Orta6.56.7-0.2
0.7
Jarrod Dyson7.06.00.9
1.5
Steve Farr2.42.20.2
0.6
Ben Zobrist7.56.90.6
1.3
Omar Moreno2.21.90.3
0.5
Jason Vargas3.22.70.6
1.0
Pat Sheridan6.36.3-0.2
0.4
Kris Medlen3.32.80.6
1.0
Mark Huismann0.50.20.3
0.4
Luke Hochevar2.11.60.4
0.8
Joe Beckwith3.43.9-0.5
0.2
Joe Blanton2.21.90.4
0.7
Onix Concepcion10.011.7-0.9
0.1
Danny Duffy8.89.5-0.6
0.6
Mike LaCoss1.82.0-0.3
0.1
Franklin Morales2.32.3-0.1
0.4
Jim Scranton0.20.20.0
0.0
Jason Frasor0.90.80.1
0.3
Dennis Leonard0.00.00.0
0.0
Jonny Gomes1.00.70.2
0.3
Bob Hegman0.00.0-0.0
-0.0
Cheslor Cuthbert1.11.00.1
0.2
Tony Ferreira0.20.3-0.1
-0.0
Paulo Orlando6.97.3-0.5
0.1
Jamie Quirk1.31.6-0.2
-0.1
Brandon Finnegan0.60.7-0.1
0.1
Dane Iorg3.84.3-0.5
-0.1
Drew Butera1.51.6-0.1
0.1
John Wathan3.13.7-0.4
-0.1
Louis Coleman0.10.00.1
0.1
Mike C. Jones1.62.3-0.7
-0.3
Terrance Gore0.10.00.0
0.1
Larry Gura0.20.6-0.4
-0.3
Aaron Brooks0.00.00.0
0.0
Dave Leeper1.01.6-0.6
-0.5
Adalberto Mondesi0.00.00.0
0.0
Lynn Jones4.25.1-1.0
-0.6
Scott Alexander0.00.0-0.0
-0.0
Greg Pryor2.33.5-1.1
-0.8
Michael Mariot0.00.0-0.0
-0.0
Orlando Calixte0.00.1-0.0
-0.0
Joba Chamberlain0.10.1-0.1
-0.0
Christian Colon2.93.4-0.4
-0.1
Yohan Pino0.60.9-0.2
-0.1
Alexis Rios10.811.5-1.2
-0.1
Eric Kratz0.00.2-0.1
-0.1
Francisco Pena0.00.3-0.2
-0.2
Dusty Coleman0.00.4-0.3
-0.3
Jeremy Guthrie8.610.6-1.8
-0.5
Miguel Almonte0.10.8-0.7
-0.6
Johnny Cueto4.05.4-1.3
-0.7


Best of 2015 by Factor and Position

Next, let's look at the top players in various aspects of the game.
Best by Factor: Batting, Baserunning, Pitching, Fielding
There are four basic factors for which players earn Player won-lost records: Batting, Baserunning, Pitching, and Fielding. The top players in 2015 in wins over positional average (WOPA) by factor were as follows.

Batting
Context-Neutral Context-Dependent
Player eWins eLoss eWOPA Player pWins pLoss pWOPA
1Bryce Harper17.910.2
7.4
1Bryce Harper17.910.37.3
2Paul Goldschmidt15.910.2
5.4
2Anthony Rizzo18.210.77.2
3Joey Votto15.29.8
5.1
3Josh Donaldson18.311.76.5
4Mike Trout15.710.5
5.1
4Mike Trout16.39.96.3
5Josh Donaldson17.412.6
4.7
5Matt Carpenter16.39.96.1
6Chris Davis16.511.8
4.6
6Kris Bryant17.210.96.1
7Edwin Encarnacion15.511.1
4.3
7Edwin Encarnacion16.210.45.7
8Anthony Rizzo16.712.2
4.2
8Andrew McCutchen15.49.65.5
9Nelson R. Cruz14.510.4
4.0
9Jose 'Joey Bats' Bautista15.410.15.2
10Jose 'Joey Bats' Bautista14.710.8
3.8
10Chris Davis16.611.64.9
Positional Average excludes pitcher offense
Baserunning
Context-Neutral Context-Dependent
Player eWins eLoss eWOPA Player pWins pLoss pWOPA
1Billy Hamilton2.20.7
1.4
1Billy Hamilton2.30.61.6
2Erick Aybar2.01.3
0.7
2Adam C. Eaton2.11.20.9
3Adam C. Eaton2.01.4
0.6
3A.J. Pollock1.70.90.8
4Ben Revere1.81.2
0.6
4Alcides Escobar1.40.70.7
5A.J. Pollock1.61.0
0.5
5George Springer1.40.70.7
6Jarrod Dyson0.80.2
0.5
6Lorenzo Cain1.81.10.7
7Josh Donaldson1.20.7
0.5
7Erick Aybar2.01.30.6
8Paul Goldschmidt1.51.0
0.4
8Paul Goldschmidt1.60.90.6
9Matt M. Duffy1.20.7
0.4
9Jarrod Dyson0.80.20.6
10Will Venable0.90.5
0.4
10Freddy Galvis1.10.60.6
Positional Average excludes pitcher offense
Pitching
Context-Neutral Context-Dependent
Player eWins eLoss Net eWins Player pWins pLoss Net pWins
1Jake Arrieta15.59.2
6.3
1Jake Arrieta16.28.57.6
2Clayton Kershaw14.09.3
4.7
2Zack Greinke14.17.96.1
3Dallas Keuchel14.911.0
3.9
3Clayton Kershaw14.48.95.5
4Zack Greinke12.69.4
3.2
4David Price14.08.75.3
5Chris Archer13.410.5
2.9
5Mark Melancon7.12.64.5
6Jacob deGrom11.48.6
2.8
6Zach Britton6.21.94.3
7Carlos Carrasco11.28.4
2.8
7Dellin Betances8.64.64.1
8Zach Britton5.42.7
2.7
8Gerrit Cole13.19.33.8
9Jaime Garcia8.96.2
2.7
9Dallas Keuchel14.811.13.7
10Max Scherzer13.611.1
2.4
10Andrew Miller6.32.63.7


Fielding by Position


Fielding, P
Context-Neutral Context-Dependent
Player eWins eLosses Net eWins Player pWins pLosses Net pWins
1Jason Hammel0.60.1
0.4
1Dallas Keuchel0.80.40.5
2Julio Teheran0.60.2
0.4
2Jason Hammel0.60.10.4
3Dallas Keuchel0.80.4
0.4
3Jake Arrieta0.80.40.4
4Drew Hutchison0.40.1
0.3
4Julio Teheran0.60.20.4
5Hector Santiago0.40.1
0.3
5Hector Santiago0.40.00.3


Fielding, C
Context-Neutral Context-Dependent
Player eWins eLosses Net eWins Player pWins pLosses Net pWins
1Wilson Ramos1.41.0
0.5
1Wilson Ramos1.50.90.6
2Caleb Joseph1.20.8
0.4
2Caleb Joseph1.30.80.5
3Rene Rivera1.20.9
0.2
3Yadier Molina1.81.30.5
4Jesus Sucre0.70.5
0.2
4Carlos E. Perez1.30.90.4
5James McCann1.10.9
0.2
5James McCann1.20.80.4


Fielding, 1B
Context-Neutral Context-Dependent
Player eWins eLosses Net eWins Player pWins pLosses Net pWins
1Adrian Gonzalez3.12.1
0.9
1Adrian Gonzalez2.92.30.7
2Mike Napoli2.01.4
0.6
2Anthony Rizzo2.62.10.5
3Miguel Cabrera2.21.8
0.4
3Paul Goldschmidt3.32.90.4
4Ben Paulsen1.20.9
0.3
4Brandon Belt2.11.80.4
5Freddie Freeman1.91.6
0.3
5Joe Mauer2.82.40.4


Fielding, 2B
Context-Neutral Context-Dependent
Player eWins eLosses Net eWins Player pWins pLosses Net pWins