A baseball player at Brunswick High School, establishing a county record throw of 256 feet, Jack McQuillen began his professional career in 1941, joining the All-Star teams in 1942, 1943, and 1944. In 1946, he advanced to the South Carolina Tri-State League before moving to the Western Association’s Muskogee, Oklahoma, team. He led the league in stolen bases with 39 in 1947, 1948, 1949, and 1950 and batted over .300. In 1952 and 1953, McQuillen led the Missouri league with 52 stolen bases. He was a versatile player, playing many positions when called upon. McQuillen was honored by the city of Brunswick as an outstanding citizen.