Career
He played for the Kansas City Athletics and spent his entire eight-season professional career (1957–1958. 1960–1965) in the Athletics" organization. He stood 6 feet (18 m) tall and weighed 187 pounds (85 kg) during his pro career.
Pfister allowed 238 hits and 142 bases on balls in 249⅓ innings pitched over 65 Major League games.
He struck out 156. After retiring from professional baseball, Pfister became a firefighter in Hollywood, Florida.