Larsen pitched for the St. Louis Browns / Baltimore Orioles ( 1953 -- 54 ; 1965 ) , New York Yankees ( 1955 -- 59 ) , Kansas City Athletics ( 1960 -- 1961 ) , Chicago White Sox ( 1961 ) , San Francisco Giants ( 1962 -- 64 ) , Houston Colt .45 's / Houston Astros ( 1964 -- 65 ) , and Chicago Cubs ( 1967 ) .
Larsen pitched for the St. Louis Browns / Baltimore Orioles ( 1953 -- 1954 ; 1965 ) , New York Yankees ( 1955 -- 1959 ) , Kansas City Athletics ( 1960 -- 1961 ) , Chicago White Sox ( 1961 ) , San Francisco Giants ( 1962 -- 1964 ) , Houston Colt .45 's / Houston Astros ( 1964 -- 1965 ) , and Chicago Cubs ( 1967 ) .