As New South Wales state and Australia national representative three-quarter back, he played in the New South Wales Rugby Football League premiership from its first season in 1908 for the North Sydney club,[4] before playing several seasons in England with Hull FC.

The son of Irish immigrant parents, Michael and Honorah Devereux,[5] Devereux played for the first ever New South Wales rugby league team in their début match against New Zealand, and later on was selected to play in the first ever trans-Tasman test, which was début match of the Australia national rugby league team against New Zealand on the return leg of their tour of Britain.

He also played at centre in the 12–26 defeat by Leeds in the 1910 Challenge Cup Final replay at Fartown Ground, Huddersfield, on Monday 18 April 1910, in front of a crowd of 11,608, and played stand-off in the 6–0 victory over Wakefield Trinity in the 1914 Challenge Cup Final during the 1913–14 season at Thrum Hall, Halifax, in front of a crowd of 19,000.

In April 1916 he gained selection in an Australasian servicemen's rugby union side[9] but the war he resumed his playing career with Hull.

On 3 December 1929, his leg was crushed in an industrial accident on the bridge, and was subsequently amputated at Royal North Shore Hospital.