Banner played in Salford's 7–12 defeat by Leeds in the 1972–73 Player's No.6 Trophy Final at Fartown Ground, Huddersfield on Saturday 24 March 1973.
Banner lost his place in the starting lineup following the arrival of Steve Nash,[5] and in September 1975, he was signed by Featherstone Rovers for £4,500.
[8] Banner won the 1976 Yorkshire Cup with Leeds, winning 16–12 in the final against his former club Featherstone Rovers on 16 October 1976.
[5] Although born in England, Banner was eligible to represent Wales due to his Welsh ancestry,[9] and was selected to play for the team in the 1975 European Championship and 1975 World Cup.
He won nine caps for Wales, playing both games at the European Championship and seven matches in the World Cup.