By the time he was selected for international duty, he was playing for unfashionable lower league team Crumlin.
The fact that Williams was, and still is, the only player to be selected for international duty directly from the club is an indicator to the talent he showed as a flanker.
Williams played his first league game for Salford on 15 October 1927, and won three Championship and one Challenge Cup winners medals with the club over his career.
Billy Williams was one of the players who successfully toured in France with Salford in 1934, during which the Salford team earned the name "Les Diables Rouges", the seventeen players were; Joe Bradbury, Bob Brown, Aubrey Casewell, Paddy Dalton, Bert Day, Cliff Evans, Jack Feetham, George Harris, Barney Hudson, Emlyn Jenkins, Alf Middleton, Sammy Miller, Harold Osbaldestin, Les Pearson, Gus Risman, Billy Watkins, and Billy Williams.
[5] Billy Watkins played at prop in Salford's 7-4 victory over Barrow in the 1938 Challenge Cup Final at Wembley Stadium, London, in front of a crowd of 51,243.