Ted Williams: percent PA v. lefty pitchers per season.

Ted Williams:

Year  L%
1939 10.34%
1940 18.76%
1941 17.33%
1942 11.18%
1946 16.37%
1947 16.02%
1948 25.08%
1949 23.29%
1950 37.98%
1951 25.78%
1952 0.00%
1953 19.09%
1954 27.34%
1955 27.60%
1956 30.42%
1957 22.06%
1958 15.79%
1959 20.25%
1960 23.45%