1979–80 League Cup (rugby league)

This was the ninth season for the League Cup, known as the John Player Trophy for sponsorship reasons. Bradford Northern won the trophy, beating Widnes 6-0 in the final. The match was played at Headingley, Leeds, West Yorkshire. The attendance was 9,909 and receipts were £11560.

1979–80 League Cup (rugby league)

This was the ninth season for the League Cup, known as the John Player Trophy for sponsorship reasons. Bradford Northern won the trophy, beating Widnes 6-0 in the final. The match was played at Headingley, Leeds, West Yorkshire. The attendance was 9,909 and receipts were £11560.