by former New Zealand international team coach Brian McClennan. Further success followed in 2008 when Leeds again beat Australian opposition in the 2008 World Club Challenge, Melbourne Storm the defeated opponents on this occasion. Leeds then retained the Super League championship by winning the Grand final. This marked the first time the club had won consecutive titles. A third consecutive league title followed in 2009, when Leeds won the 2009 Super League Grand Final, and thus became the first club ever to win the trophy three times in a row. After failing to win a trophy in 2010, Leeds started the 2011 season in mixed form, and by July appeared to be in danger of missing out on the play-offs completely. They ultimately did finish in a play-off spot and went on to win the 2011 Super League Grand Final. They reached the Challenge Cup Final in 2012, as they had the previous year, but again finished runners up. The Rhinos did however, successfully defend their Super League title by winning the 2012 Super League Grand Final. Success in the Grand Final earned them another World Club Challenge match against Melbourne Storm, in which they were defeated. Leeds would ultimately fail to win any silverware in 2013, however they did end their long run without a Challenge Cup final win by beating Castleford Tigers at Wembley in the 2014 final. In March 2014, it was announced that Leeds would share a partnership with the Atlanta Rhinos, who play in the USA Rugby League. Leeds stated they would help bring a professional approach to the Atlanta club by sharing information and playing talent. The Treble Leeds had a highly successful season in 2015, winning the Challenge Cup, League Leaders Shield and the Grand Final, completing the modern day rugby league treble and becoming only the third team in the Super League era to achieve this after Bradford in 2003 and St. Helens in 2006. Leeds' victory in the 2015 Grand Final was the final competitive game of Rugby League for three long serving players of the game, as Jamie Peacock & Kylie Leuluai retired at the end of the season and Kevin Sinfield joined Leeds' sister club in Rugby Union, Yorkshire Carnegie. Leeds struggled in the season following their best ever season in 2015. they spent most of the regular season in the bottom two league positions before finding form and