High Quality Content by WIKIPEDIA articles! The 2007–08 Guinness Premiership was the 21st season of the top flight of the English domestic rugby union competitions, played between September 2007 and May 2008. Due to the 2007 Rugby World Cup the season started slightly later than normal, as England were trying to defend their title. Leeds Tykes, which renamed themselves Leeds Carnegie shortly after the 2006-07 season, were promoted from National Division One 2006-07, taking the place of Northampton Saints who were relegated.