Boxers who have contested for the title include Evander Holyfield, Félix Trinidad, Larry Donald, Ricardo Mayorga, Stevie Johnston, Joshua Clottey, Ian Gardner, Brian Mihtar, and Damian Fuller.
Promoters who have held NABC contests include Don King, Fred Berns, and Gary Shaw.
In 2014 the NABC adopted the Ring Magazine model of recognizing champions based won/loss record, quality [1] of performance, strength of opposition, and computerized rankings, to fill vacant titles.
NABC mixed martial arts champions have been televised on the HDNet cable channel and on Cage Fury Fighting Championships pay per view broadcasts.
NABC sanctioning of MMA matches and the implications for the future of professional boxing were examined in an NBC Sports story by Kenny Rice May 29, 2007.