Munro was described as a fast and powerful winger.[3]
He played for Ayr.[4] He was Scotland's leading try scorer in the 1978-79 season with 36 tries, all bar one try scored with Ayr.[5]
He moved on to play for West of Scotland.[6]
He played for Glasgow District[7] against New Zealand in 1979,[5] then for the Whites Trial side on 7 January 1984 in a 21 - 3 win,[8] and for Combined Scottish Districts on 1 March 1986 against South of Scotland.[9]
He was first noticed by Scotland Schools and capped by them.[5]
He was capped by Scotland 'B' to play Ireland 'B' on 1 December 1979 and played in the Scotland 'B' side against France 'B' in the spring of 1980.[4]
He went on to receive 10 full senior caps for Scotland from 1980 to 1984.[10] He scored two tries at Twickenham on 21 February 1981, although Scotland remained on the losing side.[11] His last cap against Wales in 1984 came after an international absence of two years, but his performance for Whites Trial earlier that year ensured his selection.[12]