Racing PositionsBarca confirm Valdes departure from youth team4MMoises Llorens, Sam MarsdenEx-Barca, Man United keeper Valdes retires4MSam MarsdenEx-Barcelona keeper Valdes retires - report4MAdriana GarciaGoalkeeper Valdes to leave Middlesbrough4MESPN staffCity weighing up move for Valdes - sources4MPeter O'RourkeMan United's Reject XI since Ferguson's exit4MJohn BrewinFriend, Boro drop into bottom three4MCatherine WilsonValdes key to Boro staying up - Karanka4MPA SportSanchez, Mane, Gabbiadini lead the way4MTon SweetmanNegredo, Boro's goal struggles continue4MCatherine Wilson