He appeared on The Ultimate Fighter 2, a reality television show which aired on SpikeTV.
MacDonald made his professional mixed martial arts debut on June 1, 2002, when he faced Zane Hagel at MFC 4: New Groundz. MacDonald would take a three-year hiatus before being signed by the Ultimate Fighting Championship in 2006. Ultimate Fighting Championship
MacDonald signed with UFC in early 2006, and made his debut against Jason Lambert at UFC 58 on March 4, 2006.
He lost the fight via first round kimura.
He then faced Kristian Rothaermel at UFC Ultimate Fight Night 5 on June 28, 2006. In his third fight in the promotion, MacDonald faced Eric Schafer at UFC 62 on August 26, 2006.
He lost the fight via arm-triangle choke, and after dropping to 1–2, was subsequently released from the promotion. Post-UFC career
In his first fight outside of the UFC, MacDonald challenged Eliot Marshall for the ROF Light Heavyweight Championship at Ring of Fire 31 on December 1, 2007.
MacDonald faced Hector Ramirez at HCF: Crow"s Nest on March 29, 2008.
He lost the fight via unanimous decision. He then faced Chuck Grigsby at VFC 26: Onslaught for the VFC Light Heavyweight Championship on February 20, 2009. He lost the fight via KO. Ring of Fire
ROF Light Heavyweight Championship (One time)
Ultimate Fighting Championship
Submission of the Night (One time) versus
MacDonald is the Training Director and General Motors at - a fitness training facility in Salt Lake City founded by Mark Twight.