UFC Atlanta preview show: Can Kamaru Usman halt Joaquin Buckley’s rise in long-awaited return?

Former UFC welterweight champion Kamaru Usman returns to the octagon for the first time in nearly two years in the main event of UFC Atlanta as he faces Joaquin Buckley in a pivotal matchup. Can Usman make one last run at the welterweight title, or does Buckley’s impressive run continue?
Ahead of Saturday’s UFC Fight Night card, MMA Fighting’s Mike Heck and E. Casey Leydon preview the card, the main event between Usman and Buckley, talk what’s at stake for both fighters,