Career
Nicknamed "Superman", McKart turned pro in 1992 and in 1996 captured the WBO Light Middleweight Title by beating Santos Cardona by TKO. He lost the title in his first defense to Winky Wright. In 2000, he would have the opportunity to avenge the loss, taking on Wright in an eliminator for IBF Light Middleweight Title. In 2002 the two re-matched again, this time for Wright"s IBF Light Middleweight Title.
McKart was disqualified after trailing severely in the fight.
In 2004 he took on WBA Light Middleweight Title holder Travis Simms, but lost a decision. In 2006 he was knocked out by the then undefeated prospect Kelly Pavlik.
He fought Anthony Mundine at Palms Casino Resort on 14 July 2012.