The fight, co-promoted by Zuffa Boxing and Ring, marks a significant career move for Benn, who recently signed with the organization for a reported $15 million after years with Matchroom Boxing. The 29-year-old Englishman (24-1, 14 KOs) comes off a unanimous decision victory over Chris Eubank Jr. in November, avenging his only career loss.
Prograis (30-3, 24 KOs), 37, is a left-handed former light welterweight champion from New Orleans and protege of Evander Holyfield. The New Orleans native snapped a two-fight skid by defeating Joseph Diaz by decision in Chicago last August.