Andy earned British & Irish Lions caps on the 1974 tour of South Africa, where he scored 156 points over 15 games. He joined the Lions again in New Zealand in 1977, then played with the Barbarians in their 1976 Easter tour. He toured South Africa again with the Lions in 1980.
Irvine was awarded the MBE in 1979. After hanging up his boots, he was president of the Scottish Rugby Football Union from 2005 to 2007, and in August 2010 was appointed as the first independent chairman of Celtic Rugby.
He returned to the Lions fold in 2013 as tour manager of the trip to Australia. It was the first successful tour since 1997, with the combined side winning the Test series 2-1.