 Hull reached the 2006 Super League Grand final to be contested against St. Helens, and Horne played at scrum half back in his side's 4-26 loss.On 27 October 2008, it was announced that Horne had signed a new three-year deal with Hull.On 17 January 2010, Horne played his testimonial match against neighbours, Hull Kingston Rovers and Hull F.C.