Thomson began refereeing in 1988Craig Thomson has retired after 19 years as one of Scotland's leading referees. Celtic's win against Hearts last Saturday was his final game after a total of 31 years as an official. Domestically, Thomson officiated three Scottish Cup finals and four League Cup finals. "I've enjoyed 19 years as a Category one referee," the 46-year-old told BBC Scotland. Thomson was also an elite FIFA official, taking charge of Champions League and international matches, including at the European Championships in 2012.

Source: BBC May 22, 2019 19:32 UTC