He appeared in 30 games pitched (all but two in relief) for the Milwaukee Braves during the 1959 and 1960 seasons and the Kansas City Athletics during 1960 and 1962.

Giggie threw and batted right-handed and was listed as 6 feet 1 inch (1.85 m) tall and 200 pounds (91 kg).

Bob attended Charlestown High School and was signed as an amateur by his hometown Boston Braves on July 5, 1951.

Giggie's best season in the minors was with the Hagerstown Braves in the Class B Interstate League, when he had a record of 18 wins and 7 losses, with 2.82 earned run average in 214 innings pitched.

This biographical article relating to an American baseball pitcher born in the 1930s is a stub.