Gantt’s career in boxing was diversified to say the least. Gantt enjoyed a record of 16 wins, three losses and one draw as an amateur boxer before turning pro. However, Gantt enjoyed his greatest success as a coach at the Belmont Boys Club from 1952 to 1956. His team members won an impressive 30 championship titles. One of his star pupils was Carolinas Boxing Hall of Fame member H.A. “Humpy” Wheeler. Gantt also managed the professional careers of Belmont boxers Guy Brown, Gene Carli and Cecil Horne. From 1957 to 1981, Gantt enjoyed a career as a sports broadcaster for WCGC Radio in Belmont. He handled play-by-play duties for Belmont Abbey College sports. Gantt was a former president of North Carolina Broadcasters Association and the Belmont Chamber of Commerce.