He has won four times worldwide with his biggest win to date occurring at the multi-tour sanctioned Johnnie Walker Classic in March 2007.

This victory earned him full European Tour membership and propelled Haig into the top 100 of the Official World Golf Rankings.

[2] After a poor 2009 season, Haig had to regain his European Tour card at qualifying school.

Haig announced his retirement from professional golf in November 2011 due to back injuries.

[3] In March 2012, Haig announced he would be returning to professional golf[4] and finished T-18 at the Handa Faldo Cambodian Classic on the Asian Tour.