McCully trains with
Team Punishment, including
Tito Ortiz,
Kendall Grove, and
professional wrestler Samoa Joe. McCully also trained with
B.J. Penn in
Hilo for Penn's bout with
Georges St-Pierre at
UFC 94. He has three previous fights inside the UFC, a unanimous decision victory over
Antoni Hardonk at
UFC Fight Night 9, a submission loss to Gabriel Gonzaga at UFC 86, and a unanimous decision win over Eddie Sanchez at UFC: Fight For The Troops. McCully was also scheduled to fight
Christian Wellisch at
UFC 76, but McCully was ultimately replaced by Scott Junk. He has also fought a former UFC champion, losing to
Evan Tanner by technical submission at a 1998
Pancrase event. McCully competed against
Gabriel Gonzaga at
UFC 86. He lost by submission to Gonzaga applying an Americana keylock from the mounted position in the first round. He then fought
Eddie Sanchez at
UFC: Fight for the Troops and won the fight by unanimous decision. Most recently, McCully lost to Mike Russow at
UFC 102 via unanimous decision. After his defeat at the hands of
Mike Russow at
UFC 102, McCully was released by the organization.{{cite web |url=http://www.bloodyelbow.com/2009/10/4/1069024/the-latest-4-ufc-fighters-to-be.mma/ |title=The latest 4 UFC fighters to be released ==Personal life==