Ex-UFC fighter Francisco Rivera is back. Following the conclusion of a four-year USADA suspension and subsequent COVID-19-induced delays, Rivera (11-7) has booked his return fight for XMMA. The event takes place Jan. 30 at Palm Beach Convention Center in Palm Beach, Fla., and will stream live on the promotion’s website . Rivera, 39, competed at bantamweight for the duration of his 10-fight UFC tenure