Aubrey Knight Series by Steven Barnes

Disgusted with his life as enforcer for the Ortegas and their bloody empire of drugs, prostitution, and black market body parts, null-boxer Aubrey Knight realizes that he will have to become a hero if he is to walk away and still survive. Reprint.

A virtual superman, a streetfighter trained by the Mob, Knight turns his awesome powers on those who created him. Fighting alongside his beautiful mate, he takes on a corrupt television evangelist who schemes to enslave America. The action-packed, near-future adventure sequel to Streetlethal.

Streetfighter, fugitive, hero...Aubry Knight is now a powerful man with powerful friends. And someone wants to kill him.Their opening shot is the death of one of Aubry's dearest friends. Their next attack is on Aubry's child. Knight is drawn inexorably toward New Africa, toward the mysteries of his own past, and toward a future that may take him far from Los Angeles and the only life he's ever known.To win this battle, and save his family, Aubry Knight must defeat himself.