Professional boxing returns to the city of San Francisco, CA, on October 21, 2017, as hometown hero Karim “Hard Hitta” Mayfield (19-4-1, 11 KOs), takes on undefeated prospect Miguel Dumas (10-0, 7 KOs).  The main-event bout will take place at the beautiful historic San Francisco Armory.  On the line with be the WBU Welterweight