At the age of 20, Don made his major league debut with the 1947 Yankees, going the distance against the Philadelphia Athletics in a 10 inning 3-2 victory.
Don's professional baseball career spanned 16 years with the Yankees, St. Louis Browns, Chicago White Sox, Washington Senators, Baltimore Orioles and San Francisco Giants. He also pitched for Toronto in the International League. He led the league in ERA and strikeouts and in 1957, was named the league's MVP. v