[7] During the 1969–70 Northern Rugby Football League season, he played scrum-half and scored a try in Featherstone Rovers' 9–12 loss against Hull in the 1969–70 Yorkshire Cup Final at Headingley, Leeds on Saturday 20 September 1969.
During the 1973–74 Northern Rugby Football League season, he played scrum-half in the 9–24 defeat by Warrington in the 1973–74 Challenge Cup Final at Wembley Stadium, London on Saturday 11 May 1974, in front of a crowd of 77,400.
During the 1975–76 Northern Rugby Football League season, Nash played at Scrum-half in the Premiership Final loss against St Helens.
Nash won caps for England while at Featherstone Rovers in the 1975 Rugby League World Cup against Wales, New Zealand, and Australia, and in 1975 against Papua New Guinea.
In the first Test against Bob Fulton's Australia at Central Park, Wigan, in October 1978 Britain lost 15–9 and Nash and his opposite number, Tommy Raudonikis, were sent off for fighting early in the second half.
Steve Nash also played scrum-half in Great Britain's 7–8 defeat by France in the friendly at Stadio Pier Luigi Penzo, Venice on Saturday 31 July 1982.