A back-rower, or prop, Rupert Mudge played at second-row, and scored a try in Workington Town's 18–10 victory over Featherstone Rovers in the 1951–52 Challenge Cup Final during the 1951–52 season at Wembley Stadium, London on Saturday 19 April 1952, in front of a crowd of 72,093.
It was then added to when Aussie teammate Tony Paskins and George Wilson together scored another try in the final minutes of the game and Workington Town team beat Featherstone and won.
[3] Rupert Mudge played at second-row in Workington Town's 12–21 defeat by Barrow in the 1955 Challenge Cup Final during the 1954–55 season at Wembley Stadium, London on Saturday 30 April 1955, in front of a crowd of 66,513.
After his retirement from football Rupert spent some years as a panelist on the Channel Seven Rugby League panel discussion program "Controversy Corner" hosted by Rex (the Moose) Mossop.
In the late 1990s Rupert John Mudge was invited to England for a special celebration at Wembley Stadium, because he still held the record for the longest running try.