by Brendan Bradford - The worst kept secret in football was confirmed on Saturday morning with the Blues announcing they have signed Wests Tigers superstar Benji Marshall. After weeks of speculation, Marshall announced he had signed a two-year deal with the Auckland-based Super Rugby side, ending his 11-year tenure at the Tigers at the conclusion of the NRL season. Marshall officially announced the deal in a YouTube video released by the Blues this morning. The 28-year old admitted to a certain amount of sadness at leaving the Tigers, but a great hope in what the future holds. “It gives me great pleasure to announce that I’ll be joining the Auckland Blues next year for the next two seasons,” he said in the video. Marshall wearing a Blues jersey in a Yo