Career
Jackowski umpired 2,517 major league games in his 17 year career. He umpired in three World Series (1958, 1960 and 1966) and three All-Star Games (1956, 1959 and 1963). Jackowski worked in six no-hitters during his career and was the home plate umpire for two: Lew Burdette"s on August 18, 1960 and Ray Washburn"s on September 18, 1968.
He also officiated in the last two of Sandy Koufax"s four no-hitters, as the first base umpire in Koufax"s third no-hitter on June 4, 1964, and the second base umpire in Koufax"s perfect game on September 9, 1965.