1998 Super League Grand Final  The 1998 JJB Super League Grand Final was the first staging of the Super League Grand Final and the conclusive and championship-deciding game of 1998's Super League III, and the first Grand Final of the Super League era. It was held on Saturday 24 October 1998, at Old Trafford, Manchester, United Kingdom. This was the first time the League Championship had been decided by play-off since the 1972–73 Championship Final. The game was played between Wigan Warriors and Leeds Rhinos. JJB Sports Super League III was the official name for the year 1998's Super League championship season, the 104th season of top-level professional rugby league football in Britain, and the third championship run by Super League. The League format changed in 1998 and the championship became a play off series to determine the Super League champions, similar to the way the Premiership was played a few seasons earlier. This meant the first Final to determine the British champions since the 1972–73 season. Huddersfield Giants, the league's bottom club was saved from relegation in 1998 due to the expansion of the league to fourteen teams in Super League IV.