League Leaders Who Led?

MLB Single-Season Pitcher Assists Record Progression

Every season that raised the bar, and the leader in every season between.

All-time career leaders →

The MLB single-season pitcher assists record is 227, set by Ed Walsh in 1907. It has stood for 119 years. The mark has been raised 6 times since 1871.

SS ASS POSS DPSS FPCTSS RFSS GSS E2B A2B PO2B DP2B FPCT2B RF2B G2B E3B A3B PO3B DP3B FPCT3B RF3B G3B EC POC AC DPC FPCTC RFC GC E1B PO1B A1B DP1B FPCT1B RF1B G1B EOF POOF AOF FPCTOF RFOF GOF EP AP POP FPCTP RFP GP E

Record Holders

7 marks since 1871
Year Player P A Stood for
1907 Ed Walsh Ed Walsh 227 still standing
1882 Will White Will White 223 25 years
1879 Tommy Bond Tommy Bond 144 3 years
1874 Al Spalding Al Spalding 143 5 years
1873 Al Spalding Al Spalding 125 1 year
1872 Al Spalding Al Spalding 101 1 year
1871 Cherokee Fisher Cherokee Fisher 54 1 year

The earliest marks here are records only in the sense that nobody had done better yet. Season length, schedule and the rules themselves have all changed, so a figure from the 1870s is not comparable with a modern one and is not offered as though it were.

Every Season

168 seasons
Year Leader P A
2025 Max Fried 39
2024 Logan Webb 33
2023 Patrick Corbin 36
2022 Tyler Anderson 31
2022 Ranger Suarez 31
2021 Dallas Keuchel 41
2020 Max Fried 15
2019 Zack Greinke 34
2019 Max Fried 34
2018 Clayton Richard 38
2017 R. A. Dickey 44
2016 Jake Arrieta 40
2016 Bartolo Colon 40
2015 Dallas Keuchel 53
2014 Dallas Keuchel 47
2013 Kyle Kendrick 43
2012 Mark Buehrle 47
2011 R. A. Dickey 58
2010 Tim Hudson 57
2009 Ubaldo Jimenez 47
2008 Greg Maddux 57
2007 Greg Maddux 51
2006 Zach Duke 52
2006 Greg Maddux 52
2005 Mark Mulder 52
2004 Livan Hernandez 61
2003 Greg Maddux 58
2002 Livan Hernandez 53
2001 Greg Maddux 54
2000 Greg Maddux 68
1999 Kenny Rogers 62
1998 Kenny Rogers 66
1997 Mike Hampton 57
1996 Greg Maddux 71
1995 Greg Maddux 53
1994 Zane Smith 40
1994 Jimmy Key 40
1993 Greg Maddux 59
1992 Greg Maddux 64
1991 Charlie Leibrandt 53
1990 Greg Maddux 55
1989 Jeff Ballard 55
1988 Orel Hershiser 60
1987 Charlie Leibrandt 55
1986 Ron Darling 47
1986 Fernando Valenzuela 47
1986 Bob Knepper 47
1985 Dave Stieb 53
1985 Charlie Leibrandt 53
1984 Joaquin Andujar 54
1983 Joaquin Andujar 62
1982 Fernando Valenzuela 64
1981 Dennis Martinez 44
1980 Dave Stieb 58
1979 Mike Caldwell 64
1978 John Denny 73
1977 Jerry Garvin 66
1976 Randy Jones 81
1975 Randy Jones 70
1974 Bill Lee 69
1973 Tommy John 64
1972 Wilbur Wood 82
1971 Clyde Wright 67
1970 Gaylord Perry 67
1969 Mel Stottlemyre 88
1968 Juan Marichal 64
1967 Larry Jackson 64
1967 Gaylord Perry 64
1967 Don Drysdale 64
1966 Al Jackson 63
1965 Fred Newman 83
1964 Larry Jackson 85
1963 Warren Spahn 71
1962 Jim Kaat 72
1961 Bob Purkey 69
1960 Lew Burdette 68
1959 Camilo Pascual 55
1958 Warren Spahn 67
1957 Tom Brewer 65
1956 Bob Lemon 61
1955 Bob Friend 50
1954 Bob Porterfield 61
1953 Bob Lemon 74
1952 Bob Lemon 79
1951 Murry Dickson 70
1950 Mel Parnell 67
1949 Bob Lemon 71
1948 Bob Lemon 86
1947 Ewell Blackwell 70
1946 Dizzy Trout 64
1945 Russ Christopher 71
1944 Dizzy Trout 94
1943 Nate Andrews 71
1942 Jim Tobin 93
1941 Jim Tobin 71
1940 Dutch Leonard 72
1939 Bill Lee 80
1938 Harry Gumbert 85
1937 Harry Gumbert 80
1936 Bucky Walters 96
1935 Hal Schumacher 89
1934 Curt Davis 95
1933 Carl Hubbell 94
1932 Carl Hubbell 83
1931 Freddie Fitzsimmons 89
1930 Benny Frey 79
1929 Willis Hudlin 88
1928 Burleigh Grimes 106
1927 Wilcy Moore 89
1926 Carl Mays 117
1925 Ted Wingfield 94
1924 Eddie Rommel 97
1923 Eddie Rommel 109
1922 Red Faber 94
1922 Carl Mays 94
1921 Stan Coveleski 108
1920 Hooks Dauss 114
1919 Hooks Dauss 101
1918 Carl Mays 122
1917 Carl Mays 118
1916 Harry Coveleski 119
1915 Hooks Dauss 137
1914 Claude Hendrix 137
1913 Eddie Cicotte 109
1912 Ed Walsh 140
1911 Ed Walsh 159
1910 Ed Walsh 154
1909 Frank Smith 154
1908 Ed Walsh 190
1907 Ed Walsh 227 new record
1906 Elmer Stricklett 128
1905 Harry Howell 178
1904 Jack Chesbro 166
1903 Ned Garvin 117
1902 Red Donahue 130
1901 Roscoe Miller 112
1900 Ed Scott 120
1899 Cy Young 117
1898 Jack Taylor 144
1897 Cy Seymour 100
1896 Cy Young 145
1895 Cy Young 120
1894 Amos Rusie 113
1893 Amos Rusie 114
1892 Bill Hutchison 156
1891 Sadie McMahon 141
1890 Silver King 139
1890 Sadie McMahon 139
1890 Mark Baldwin 139
1889 John Clarkson 172
1888 Henry Porter 133
1887 Matt Kilroy 157
1886 Matt Kilroy 116
1885 John Clarkson 174
1884 Pud Galvin 154
1883 Tim Keefe 142
1882 Will White 223 new record
1881 Pud Galvin 123
1880 Tommy Bond 141
1879 Tommy Bond 144 new record
1878 Tommy Bond 117
1877 Jim Devlin 110
1876 Jim Devlin 100
1875 Al Spalding 133
1874 Al Spalding 143 new record
1873 Al Spalding 125 new record
1872 Al Spalding 101 new record
1871 Cherokee Fisher 54 new record