Mantle appeared in 12 World Series including 7 championships , and holds World Series records for the most home runs ( 18 ) , RBIs ( 40 ) , extra-base hits ( 26 ) , runs ( 42 ) , walks ( 43 ) , and total bases ( 123 ) .
Mantle appeared in 12 World Series , his team winning 7 of them . He holds the records for most World Series home runs ( 18 ) , RBIs ( 40 ) , runs ( 42 ) , walks ( 43 ) , extra-base hits ( 26 ) , and total bases ( 123 ) .