Progressive Leaders & Records for Win Probability Added (WPA)

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Table
Year Career WPA   Single-Season WPA   ActiveWPA   Yearly WPA
1910 Jack Coombs 8.9 Jack Coombs 8.9 Jack Coombs 8.9 Jack Coombs 8.9
1911 Christy Mathewson+ 15.0 Jack Coombs 8.9 Christy Mathewson+ 15.0 Nap Rucker 7.9
1912 Walter Johnson+ 22.3 Walter Johnson+ 13.1 Walter Johnson+ 22.3 Walter Johnson+ 13.1
1913 Walter Johnson+ 27.8 Walter Johnson+ 13.1 Walter Johnson+ 27.8 Christy Mathewson+ 6.8
1914 Walter Johnson+ 35.2 Walter Johnson+ 13.1 Walter Johnson+ 35.2 Claude Hendrix 9.2
1915 Walter Johnson+ 42.6 Walter Johnson+ 13.1 Walter Johnson+ 42.6 Grover Alexander+ 8.3
1916 Walter Johnson+ 48.3 Walter Johnson+ 13.1 Walter Johnson+ 48.3 Grover Alexander+ 9.2
1917 Walter Johnson+ 53.0 Walter Johnson+ 13.1 Walter Johnson+ 53.0 Jim Bagby 7.5
1918 Walter Johnson+ 63.2 Walter Johnson+ 13.1 Walter Johnson+ 63.2 Walter Johnson+ 10.2
1919 Walter Johnson+ 70.3 Walter Johnson+ 13.1 Walter Johnson+ 70.3 Eddie Cicotte 9.0
1920 Walter Johnson+ 71.3 Walter Johnson+ 13.1 Walter Johnson+ 71.3 Grover Alexander+ 8.6
1921 Walter Johnson+ 72.5 Walter Johnson+ 13.1 Walter Johnson+ 72.5 Red Faber+ 8.8
1922 Walter Johnson+ 77.5 Walter Johnson+ 13.1 Walter Johnson+ 77.5 Red Faber+ 5.7
1923 Walter Johnson+ 81.4 Walter Johnson+ 13.1 Walter Johnson+ 81.4 Dolf Luque 10.2
1924 Walter Johnson+ 86.2 Walter Johnson+ 13.1 Walter Johnson+ 86.2 Dazzy Vance+ 7.6
1925 Walter Johnson+ 90.6 Walter Johnson+ 13.1 Walter Johnson+ 90.6 Dolf Luque 6.5
1926 Walter Johnson+ 90.8 Walter Johnson+ 13.1 Walter Johnson+ 90.8 George Uhle 6.9
1927 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Walter Johnson+ 90.0 Wilcy Moore 8.7
1928 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Grover Alexander+ 71.7 Larry Benton 5.7
1929 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Grover Alexander+ 72.9 Lefty Grove+ 5.4
1930 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Grover Alexander+ 71.7 Lefty Grove+ 9.8
1931 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Lefty Grove+ 42.8 Lefty Grove+ 11.8
1932 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Lefty Grove+ 50.5 Lefty Grove+ 7.7
1933 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Lefty Grove+ 56.1 Carl Hubbell+ 10.7
1934 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Lefty Grove+ 54.2 Dizzy Dean+ 6.6
1935 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Lefty Grove+ 60.6 Lefty Grove+ 6.4
1936 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Lefty Grove+ 67.2 Carl Hubbell+ 10.3
1937 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Lefty Grove+ 73.6 Lefty Grove+ 6.3
1938 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Lefty Grove+ 77.6 Bill Lee 6.8
1939 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Lefty Grove+ 82.5 Bucky Walters 6.3
1940 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Lefty Grove+ 84.3 Bob Feller+ 8.8
1941 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Lefty Grove+ 82.7 Bob Feller+ 6.6
1942 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Carl Hubbell+ 48.7 Ray Starr 6.1
1943 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Carl Hubbell+ 47.2 Spud Chandler 5.5
1944 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Mel Harder 26.8 Bucky Walters 6.3
1945 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Tommy Bridges 29.2 Roger Wolff 5.5
1946 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Ted Lyons+ 36.6 Bob Feller+ 7.6
1947 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Bob Feller+ 38.2 Ewell Blackwell 7.1
1948 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Bob Feller+ 40.8 Harry Brecheen 5.2
1949 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Bob Feller+ 40.9 Bob Lemon+ 6.9
1950 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Bob Feller+ 44.0 Robin Roberts+ 5.4
1951 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Bob Feller+ 46.2 Sal Maglie 5.4
1952 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Bob Feller+ 42.6 Bobby Shantz 6.9
1953 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Bob Feller+ 43.9 Warren Spahn+ 7.0
1954 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Bob Feller+ 45.6 Robin Roberts+ 6.6
1955 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Bob Feller+ 45.2 Ray Narleski 6.1
1956 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Bob Feller+ 44.3 Herb Score 5.3
1957 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Warren Spahn+ 41.5 Ray Narleski 4.6
1958 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Warren Spahn+ 44.3 Red Witt 4.1
1959 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Warren Spahn+ 46.9 Hoyt Wilhelm+ 4.3
1960 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Warren Spahn+ 50.5 Lindy McDaniel 5.7
1961 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Warren Spahn+ 53.1 Stu Miller 4.1
1962 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Warren Spahn+ 55.8 Bob Purkey 5.7
1963 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Warren Spahn+ 62.4 Sandy Koufax+ 7.8
1964 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Warren Spahn+ 58.8 Dean Chance 8.4
1965 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Warren Spahn+ 58.0 Sandy Koufax+ 8.3
1966 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Whitey Ford+ 36.6 Sandy Koufax+ 8.0
1967 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Whitey Ford+ 37.0 Ted Abernathy 4.7
1968 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Juan Marichal+ 29.6 Bob Gibson+ 8.0
1969 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Juan Marichal+ 36.0 Bob Gibson+ 7.7
1970 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Juan Marichal+ 35.8 Lindy McDaniel 5.7
1971 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Juan Marichal+ 37.5 Vida Blue 6.6
1972 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Bob Gibson+ 41.0 Steve Carlton+ 8.3
1973 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Bob Gibson+ 42.8 John Hiller 8.4
1974 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Bob Gibson+ 41.7 Luis Tiant 5.8
1975 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Tom Seaver+ 40.0 Rich Gossage+ 7.0
1976 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Tom Seaver+ 42.9 Vida Blue 5.7
1977 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Tom Seaver+ 47.7 Rich Gossage+ 5.9
1978 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Tom Seaver+ 49.3 Mike Caldwell 6.1
1979 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Tom Seaver+ 51.0 Aurelio López 6.6
1980 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Tom Seaver+ 50.6 Doug Corbett 7.8
1981 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Tom Seaver+ 52.8 Fernando Valenzuela 4.3
1982 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Tom Seaver+ 50.7 Bill Caudill 5.7
1983 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Tom Seaver+ 50.4 Dan Quisenberry 4.4
1984 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Tom Seaver+ 52.4 Willie Hernández 8.7
1985 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Tom Seaver+ 55.8 Dwight Gooden 9.9
1986 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Tom Seaver+ 56.4 Roger Clemens 5.8
1987 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Rich Gossage+ 35.7 Roger Clemens 5.2
1988 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Don Sutton+ 33.4 Orel Hershiser 6.7
1989 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Bert Blyleven+ 33.1 Mark Davis 5.8
1990 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Nolan Ryan+ 32.6 Roger Clemens 7.1
1991 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Nolan Ryan+ 34.9 Jeff Montgomery 4.1
1992 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Nolan Ryan+ 34.9 Greg Maddux+ 5.2
1993 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Roger Clemens 34.7 Kevin Appier 6.2
1994 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Roger Clemens 38.3 Greg Maddux+ 6.5
1995 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Roger Clemens 39.4 Greg Maddux+ 8.1
1996 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Roger Clemens 43.1 Troy Percival 6.6
1997 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Roger Clemens 50.3 Roger Clemens 7.1
1998 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Roger Clemens 54.7 Trevor Hoffman+ 6.3
1999 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Roger Clemens 55.7 Pedro Martínez+ 6.9
2000 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Roger Clemens 57.9 Pedro Martínez+ 8.1
2001 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Roger Clemens 60.4 Randy Johnson+ 6.2
2002 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Roger Clemens 61.2 Randy Johnson+ 6.0
2003 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Roger Clemens 64.2 Éric Gagné 6.6
2004 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Roger Clemens 68.3 Joe Nathan 5.8
2005 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Roger Clemens 74.3 Roger Clemens 6.0
2006 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Roger Clemens 77.0 Francisco Rodríguez 5.4
2007 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Roger Clemens 77.7 J.J. Putz 6.0
2008 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Greg Maddux+ 59.5 Cliff Lee 5.9
2009 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Pedro Martínez+ 53.7 Zack Greinke 5.8
2010 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Mariano Rivera+ 50.7 Roy Halladay+ 5.1
2011 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Mariano Rivera+ 54.0 Tyler Clippard 5.2
2012 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Mariano Rivera+ 54.0 Jim Johnson 5.3
2013 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Mariano Rivera+ 56.6 Clayton Kershaw 4.9
2014 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Joe Nathan 31.0 Clayton Kershaw 5.3
2015 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Joe Nathan 31.0 Zack Greinke 6.8
2016 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Clayton Kershaw 34.6 Zack Britton 6.4
2017 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Clayton Kershaw 38.9 Kenley Jansen 5.7
2018 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Clayton Kershaw 40.8 Blake Treinen 6.3
2019 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Clayton Kershaw 43.6 Justin Verlander 5.6
2020 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Clayton Kershaw 45.0 Shane Bieber 2.9
2021 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Clayton Kershaw 45.8 Josh Hader 4.8
2022 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Clayton Kershaw 48.5 Sandy Alcantara 5.5
2023 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Clayton Kershaw 50.6 Tanner Scott 5.1
2024 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Clayton Kershaw 50.3 Emmanuel Clase 6.3
2025 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Clayton Kershaw 51.2 Paul Skenes 5.2
2026 Walter Johnson+ 90.0 Walter Johnson+ 13.1 Justin Verlander 41.1 Louis Varland 3.1