Former world light-heavyweight contender boxed a who's who of the best of his era, whether it was in sparring or in the ring. Harmon fought a peak Roy Jones. Dariusz Michalszewski, Tim Liitles, Montell Griffin and O'Neil Bell up at cruiserweight. Derrick grew up in foster care, has suffered unimaginable loss but retains an inspiring and positive outlook. Now he works as the right hand man to Bob Arum, operating as a shadow wherever the Hall of Fame promoter goes having formed an unlikely bond with a boxing icon.