Before Gervonta Davis puts his WBA super featherweight world title on the line against Abner Mares at the Dignity Health Sports Park, formerly known as the StubHub Center, on Saturday, February 9th, live on Showtime, three fighters from Northern California will be featured on the undercard. Sacramento, CA’s featherweight Xavier Martinez (12-0

San Francisco, CA Welterweight and promoter, Karim “Hard Hitta” Mayfield will return in his second promotional event in San Francisco, CA at the Fairmont Hotel as Hard Hitta Promotions along with Humboldt Boxing in association with Roy Engelbrecht will return with the aforementioned Mayfield headlining the card at San Francisco’s