Career
Listed at 6 ft 2 in (188 m), 197 pounds, Gallagher was a switch-hitter and threw left-handed. A native of Dorchester, Massachusetts, he was signed by the Red Sox out of Boston College. In a one-season career, Gallagher posted a 0–3 record with six strikeouts and a 12.55 European Research Area in 23 ⅔ innings of work.
Gallagher died in Hyannis, Massachusetts, at age 71.