League Leaders Who Led?

MLB Single-Season Third Base Range Factor Record Progression

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

All-time career leaders →

The MLB single-season third base range factor record is 7.14, set by Bob Ferguson in 1872. It has stood for 154 years. The mark has been raised 1 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

2 marks since 1871
Year Player 3B RF Stood for
1872 Bob Ferguson Bob Ferguson 7.14 still standing
1871 Cap Anson Cap Anson 4.50 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

156 seasons
Year Leader 3B RF
2025 Ryan McMahon 2.62
2024 Ryan McMahon 2.77
2023 Ke'Bryan Hayes 2.94
2022 Ke'Bryan Hayes 3.13
2021 Matt Chapman 2.93
2020 Nolan Arenado 3.33
2019 Matt Chapman 2.93
2018 Matt Chapman 3.20
2017 Kyle Seager 2.86
2016 Kyle Seager 3.10
2015 Nolan Arenado 3.12
2014 Nolan Arenado 3.14
2013 Nolan Arenado 3.08
2012 Mike Moustakas 2.95
2011 Placido Polanco 2.86
2010 Jose Lopez 3.02
2009 Melvin Mora 2.96
2008 Melvin Mora 2.72
2007 Ryan Zimmerman 3.03
2006 Brandon Inge 3.35
2005 Brandon Inge 3.17
2004 Eric Chavez 3.11
2003 Eric Chavez 3.04
2002 Scott Rolen 3.02
2001 Scott Rolen 2.84
2000 Troy Glaus 2.95
1999 Scott Rolen 3.02
1998 Jeff Cirillo 2.95
1997 Jeff Cirillo 2.97
1996 Vinny Castilla 3.04
1995 Travis Fryman 3.08
1994 Matt Williams 2.86
1993 Jeff King 2.94
1992 Robin Ventura 3.27
1991 Terry Pendleton 3.09
1990 Charlie Hayes 3.05
1989 Kelly Gruber 3.17
1988 Kelly Gruber 2.97
1987 Terry Pendleton 3.08
1986 Terry Pendleton 3.23
1985 Tim Wallach 3.45
1984 Gary Gaetti 3.09
1983 Buddy Bell 3.29
1982 Buddy Bell 3.63
1981 Buddy Bell 3.62
1980 Buddy Bell 3.38
1979 George Brett 3.37
1978 Buddy Bell 3.45
1977 Mike Schmidt 3.37
1976 Graig Nettles 3.29
1975 Darrell Evans 3.47
1974 Darrell Evans 3.45
1973 Graig Nettles 3.36
1972 Aurelio Rodriguez 3.26
1971 Graig Nettles 3.61
1970 Ken McMullen 3.36
1969 Ken McMullen 3.46
1968 Ken McMullen 3.32
1967 Ron Santo 3.60
1966 Ron Santo 3.56
1965 Clete Boyer 3.32
1964 Ron Santo 3.25
1963 Clete Boyer 3.36
1962 Clete Boyer 3.71
1961 Clete Boyer 3.57
1960 Brooks Robinson 3.28
1959 Frank Malzone 3.19
1958 Ken Boyer 3.51
1957 Frank Malzone 3.41
1956 Eddie Yost 3.46
1955 Andy Carey 3.37
1954 Andy Carey 3.64
1953 Al Rosen 3.33
1952 Gil McDougald 3.39
1951 Randy Jackson 3.64
1950 Johnny Pesky 3.60
1949 Johnny Pesky 3.49
1948 Frankie Gustine 3.18
1947 Murray Watkins 3.43
1946 George Kell 3.12
1945 George Kell 3.61
1944 Ken Keltner 3.60
1943 Murray Watkins 3.64
1943 Harlond Clift 3.64
1942 Ken Keltner 3.44
1941 Merrill May 3.70
1940 Jim Tabor 3.42
1939 Harlond Clift 3.41
1938 Buddy Lewis 3.25
1937 Harlond Clift 3.89
1936 Odell Hale 3.32
1935 Billy Werber 3.56
1934 Billy Werber 3.53
1933 Felton Snow 3.35
1932 Alex Radcliff 3.60
1931 Willie Kamm 3.02
1930 Pinky Whitney 3.37
1929 Willie Kamm 3.39
1928 Willie Kamm 3.36
1927 Ossie Bluege 3.58
1926 Willie Kamm 3.52
1925 Pie Traynor 3.53
1924 Rube Lutzke 3.81
1923 Rube Lutzke 3.79
1922 Bob Jones 3.60
1921 Paíto Herrera 3.96
1920 Aaron Ward 3.82
1919 Jimmy Austin 3.76
1918 Home Run Baker 3.63
1917 Home Run Baker 3.56
1916 Ossie Vitt 3.93
1915 Al Halt 3.59
1914 Red Smith 3.68
1913 Jimmy Austin 3.55
1912 Home Run Baker 3.61
1911 Jimmy Austin 3.82
1910 Jimmy Austin 3.67
1909 Bobby Byrne 3.80
1908 Bill Sweeney 3.67
1907 Dave Brain 3.95
1906 Dave Brain 3.81
1905 Lee Tannehill 3.70
1904 Tommy Leach 3.99
1903 Tommy Leach 3.70
1902 Harry Steinfeldt 3.92
1901 Jimmy Collins 3.85
1900 Bill Bradley 4.29
1899 Lave Cross 4.12
1898 Charlie Irwin 3.88
1897 Billy Clingman 3.92
1896 Billy Clingman 3.88
1895 Lave Cross 3.99
1894 Lave Cross 4.12
1893 Jack Crooks 4.03
1892 Billy Shindle 4.34
1891 Billy Alvord 4.31
1890 Patsy Tebeau 4.09
1889 Billy Shindle 3.97
1888 Jumbo Davis 4.33
1887 Jerry Denny 3.99
1886 Jerry Denny 3.86
1885 Jerry Denny 3.43
1884 Arlie Latham 4.04
1883 Joe Battin 4.17
1882 John Shetzline 4.14
1881 Ed Williamson 4.09
1880 Hick Carpenter 3.91
1879 Ed Williamson 3.96
1878 Bill Hague 4.16
1877 Bob Ferguson 4.71
1876 Al Nichols 4.53
1875 Al Nichols 4.69
1874 Warren White 5.91
1873 Bob Ferguson 6.40
1872 Bob Ferguson 7.14 new record
1871 Cap Anson 4.50 new record