He beat Adrian Lewis 10–8 and Mark Walsh 13–9 to reach the quarter-finals where he lost to eventual winner Phil Taylor 16–6.
In the 2008 Grand Slam of Darts, he battered Wayne Mardle 5–0 in his opening group game but then lost 5–1 to John Part.
He then beat Russian ladies champion Anastasia Dobromyslova 5–2 to advance to the knockout stages where he lost in the second round to Mervyn King 10–9 having led 6–2.
At the 2014 PDC World Darts Championship, McDine won his first round match by a 3-2 score line against Wayne Jones.
In October 2017, McDine along with Ryan Joyce, Andy Lynn, Alan Davie, David Gradwell, Shaun Pomeroy and Tony Hardy won the National Punch Tavern pub darts team event, representing the Black Bull of Blaydon defeating The Red Lion of Bradford.
The Red Lion team included Double BDO World Champion Scott Waites and former British Open winner Martin Atkins.