Young made his PDC World Darts Championship debut in 2005 where he lost in the first round to fellow left-hander Josephus Schenk. He returned a year later but lost again in the first round, this time losing 3-0 to Mark Dudbridge.
Young has appeared in five successive Las Vegas Desert Classics, reaching the second round in four of them. In 2004, he beat Lionel Sams in the first round before losing to Wayne Mardle. In 2005, he defeated Andy Hamilton in round one, but lost in the second round to Canadian John Part. 2006 saw a first round exit for Young in the Desert Classic, losing to Raymond van Barneveld, who was making his debut in the event. In 2007, Young defeated another Desert Classic debutant Tony Eccles in round one, but lost to Dennis Smith 8-7 in the second round. In the 2008 Desert Classic, Young defeated
qualifier Martin Burchell in the first round before losing to Adrian Gray in the second round.
On the eve of the 2008 US Open, Young claimed the biggest win of his career, winning the North American Darts Championship, earning
him $15,000. His performances made him the top ranked player in the North American Order of Merit, earning him a spot in the 2008 Grand Slam of Darts. He was drawn in Group F with Terry Jenkins, Colin Lloyd and Wildcard qualifier Wes Newton. Young won his opening group game against Jenkins, coming from 3-0 and 4-2 down to win 5-4. He lost his next group game to Newton but then defeated Lloyd to advance to the second round where he lost to van Barneveld.
Young qualified for the 2009 PDC World Darts Championship as the number one player in the American order of merit. He lost in the first round to Dutch teenager Michael van Gerwen. In the 2009 Grand Slam of Darts, Young again advanced from his group but again lost in the second round, in a last leg decider to Robert Thornton.
At the 2010 PDC World Darts Championship, Young defeated Andy Smith 3-2 in the first
round, before losing in thesecond round 4-0 to Terry Jenkins. Young was then a finalist in the 2010 North American Dart Championship, beating 1994 World Matchplay Darts champion Larry Butler before losing to former three-time world champion John Part in the final.