Here is the list of MLB’s League FIP constant year-by-year starting in 1871. This page will be updated after each season.
| Year | League FIP Constant |
|---|---|
| 2016 | 3.147 |
| 2015 | 3.134 |
| 2014 | 3.132 |
| 2013 | 3.048 |
| 2012 | 3.095 |
| 2011 | 3.025 |
| 2010 | 3.079 |
| 2009 | 3.097 |
| 2008 | 3.132 |
| 2007 | 3.240 |
| 2006 | 3.147 |
| 2005 | 3.020 |
| 2004 | 3.049 |
| 2003 | 3.031 |
| 2002 | 2.962 |
| 2001 | 3.049 |
| 2000 | 3.134 |
| 1999 | 3.134 |
| 1998 | 3.139 |
| 1997 | 3.109 |
| 1996 | 3.172 |
| 1995 | 3.103 |
| 1994 | 3.131 |
| 1993 | 2.988 |
| 1992 | 2.783 |
| 1991 | 2.856 |
| 1990 | 2.808 |
| 1989 | 2.763 |
| 1988 | 2.769 |
| 1987 | 2.871 |
| 1986 | 2.771 |
| 1985 | 2.684 |
| 1984 | 2.768 |
| 1983 | 2.755 |
| 1982 | 2.717 |
| 1981 | 2.600 |
| 1980 | 2.752 |
| 1979 | 2.732 |
| 1978 | 2.585 |
| 1977 | 2.738 |
| 1976 | 2.633 |
| 1975 | 2.587 |
| 1974 | 2.578 |
| 1973 | 2.565 |
| 1972 | 2.399 |
| 1971 | 2.451 |
| 1970 | 2.638 |
| 1969 | 2.509 |
| 1968 | 2.385 |
| 1967 | 2.539 |
| 1966 | 2.554 |
| 1965 | 2.517 |
| 1964 | 2.605 |
| 1963 | 2.479 |
| 1962 | 2.617 |
| 1961 | 2.574 |
| 1960 | 2.527 |
| 1959 | 2.543 |
| 1958 | 2.475 |
| 1957 | 2.456 |
| 1956 | 2.369 |
| 1955 | 2.368 |
| 1954 | 2.398 |
| 1953 | 2.591 |
| 1952 | 2.391 |
| 1951 | 2.479 |
| 1950 | 2.584 |
| 1949 | 2.511 |
| 1948 | 2.657 |
| 1947 | 2.496 |
| 1946 | 2.384 |
| 1945 | 2.539 |
| 1944 | 2.539 |
| 1943 | 2.410 |
| 1942 | 2.418 |
| 1941 | 2.663 |
| 1940 | 2.835 |
| 1939 | 2.973 |
| 1938 | 2.924 |
| 1937 | 3.039 |
| 1936 | 3.264 |
| 1935 | 3.056 |
| 1934 | 3.120 |
| 1933 | 2.798 |
| 1932 | 3.018 |
| 1931 | 3.113 |
| 1930 | 3.501 |
| 1929 | 3.162 |
| 1928 | 2.901 |
| 1927 | 3.025 |
| 1926 | 2.914 |
| 1925 | 3.107 |
| 1924 | 3.039 |
| 1923 | 2.933 |
| 1922 | 3.009 |
| 1921 | 3.103 |
| 1920 | 2.749 |
| 1919 | 2.486 |
| 1918 | 2.229 |
| 1917 | 2.262 |
| 1916 | 2.315 |
| 1915 | 2.409 |
| 1914 | 2.436 |
| 1913 | 2.556 |
| 1912 | 2.849 |
| 1911 | 2.768 |
| 1910 | 2.322 |
| 1909 | 2.215 |
| 1908 | 2.101 |
| 1907 | 2.178 |
| 1906 | 2.366 |
| 1905 | 2.522 |
| 1904 | 2.418 |
| 1903 | 2.755 |
| 1902 | 2.665 |
| 1901 | 2.924 |
| 1900 | 2.827 |
| 1899 | 2.935 |
| 1898 | 2.766 |
| 1897 | 3.323 |
| 1896 | 3.425 |
| 1895 | 3.727 |
| 1894 | 3.929 |
| 1893 | 3.374 |
| 1892 | 2.530 |
| 1891 | 2.679 |
| 1890 | 2.968 |
| 1889 | 3.080 |
| 1888 | 2.659 |
| 1887 | 3.277 |
| 1886 | 3.101 |
| 1885 | 2.881 |
| 1884 | 3.269 |
| 1883 | 3.256 |
| 1882 | 2.764 |
| 1881 | 2.688 |
| 1880 | 2.533 |
| 1879 | 2.739 |
| 1878 | 2.536 |
| 1877 | 2.839 |
| 1876 | 2.233 |
| 1875 | 2.370 |
| 1874 | 2.808 |
| 1873 | 2.932 |
| 1872 | 3.508 |
| 1871 | 3.580 |