[1] Mayfield turned pro in 1994 and was a popular local fighter known for being on boxing cards in various New Jersey venues.
In his first Title defense Mayfield traveled to Hull, England and defeated formerly unbeaten British champion Terry Dunstan by KO.
In 2000, he earned a shot at WBC Cruiserweight Title holder Juan Carlos Gomez, but lost by KO in the 3rd round.
Mayfield then signed with the before mentioned M and M and won the USBA title in Atlantic City, New Jersey with a KO over up and coming contender Gary Wilcox.
[2] He also competed in one mixed martial arts bout, against Japanese wrestler Kazuyuki Fujita at Inoki Bom-Ba-Ye 2003 on December 31 (New Year's Eve), 2003.