Career
Dressler was drafted by the San Francisco Giants in the 1st round (19th overall) in the 1972 Major League Baseball Draft and made his major league debut for the Giants in 1975. On July 24, 1978, he was traded to the Saint Louis Cardinals for John Tamargo and purchased by the Seattle Mariners on June 7, 1979. In his final major league season in 1980, Dressler had a 3.98 European Research Area in 149.1 innings pitched.