According to a notice in the Dundee Evening Post of 19 May 1903, Watson was signed to Sunderland on the 18th, following a season as Team Captain at Inverness Thistle.
He made his Sunderland debut against Wolverhampton Wanderers on 24 October 1903 in a 2–1 defeat at The Molineux Stadium.
[2] On the 8th of May 1905, Tom Tiddler announced in the Athletic News that Watson was one at least four Sunderland players going South for the next season, with a move to the 'new' Chelsea club.
website http://www.stamford-bridge.com - played in 13 competitive first team games, scoring no goals.
By the time of his death, in June 1911, he had returned to Inverness, and was employed as a Journeyman Plumber.