Howard 's home runs to at - bats ratio had increased in four years from 1960 -- 63 .
Howard predicted hitting 40 to 50 home runs in 1964 if Howard did n't platoon .
Howard 's home runs to at - bats ratio had increased in four years from 1960 -- 63 , and he predicted hitting 40 to 50 home runs in 1964 if he did n't platoon .