Yearly Unaveraged Pitching Handedness Factors
Year LG Right Left
1960 NL 1.007 0.983
1961 NL 0.955 1.095
1962 NL 0.977 1.054
1963 NL 0.973 1.063
1964 NL 0.994 1.014
1965 NL 1.028 0.940
1966 NL 0.996 1.009
1967 NL 0.987 1.030
1968 NL 0.957 1.109
1969 NL 0.980 1.058
1970 NL 1.001 0.996
1971 NL 0.991 1.023
1972 NL 0.975 1.064
1973 NL 1.009 0.981
1974 NL 0.981 1.045
1975 NL 0.955 1.095
1976 NL 1.008 0.981
1977 NL 0.986 1.033
1978 NL 0.947 1.114
1979 NL 0.969 1.073
1980 NL 0.967 1.091
1981 NL 1.006 0.982
1982 NL 0.978 1.061
1983 NL 0.987 1.036
1984 NL 0.975 1.058
1985 NL 0.989 1.024
1986 NL 0.942 1.115
1987 NL 1.008 0.983
1988 NL 0.961 1.084
1989 NL 0.929 1.143
1990 NL 0.954 1.079
1991 NL 0.956 1.081
1992 NL 0.991 1.016
1993 NL 0.982 1.044
1994 NL 1.021 0.943
1995 NL 0.974 1.074
1996 NL 0.980 1.069
1997 NL 0.980 1.062
1998 NL 0.974 1.073
1999 NL 1.012 0.967
2000 NL 0.992 1.026
2001 NL 0.992 1.027
2002 NL 0.988 1.037
2003 NL 0.976 1.070
2004 NL 0.994 1.017
Year LG Right Left
1960 AL 0.981 1.065
1961 AL 0.974 1.074
1962 AL 0.929 1.205
1963 AL 0.988 1.030
1964 AL 0.985 1.033
1965 AL 0.947 1.120
1966 AL 0.989 1.025
1967 AL 0.970 1.070
1968 AL 0.959 1.101
1969 AL 0.984 1.034
1970 AL 0.974 1.050
1971 AL 0.973 1.052
1972 AL 0.940 1.124
1973 AL 0.971 1.055
1974 AL 0.988 1.022
1975 AL 1.007 0.985
1976 AL 0.975 1.060
1977 AL 0.969 1.069
1978 AL 0.987 1.026
1979 AL 0.976 1.051
1980 AL 0.973 1.051
1981 AL 0.990 1.020
1982 AL 0.965 1.069
1983 AL 0.963 1.069
1984 AL 0.963 1.079
1985 AL 0.981 1.041
1986 AL 1.003 0.992
1987 AL 0.972 1.059
1988 AL 0.999 1.002
1989 AL 0.966 1.077
1990 AL 0.978 1.049
1991 AL 0.983 1.042
1992 AL 1.004 0.988
1993 AL 0.961 1.095
1994 AL 0.986 1.035
1995 AL 0.994 1.014
1996 AL 0.951 1.124
1997 AL 0.986 1.035
1998 AL 0.961 1.106
1999 AL 0.964 1.128
2000 AL 0.945 1.172
2001 AL 0.984 1.045
2002 AL 0.968 1.091
2003 AL 1.001 0.999
2004 AL 0.942 1.137