By Samuel Meade Rio Ferdinand and Owen Hargreaves conceded that Ousmane Dembele was “terrible” as PSG crashed out of the Champions League. The Frenchman, a summer recruit from Barcelona, played in the front three for the Parisians as they failed to score in three hours of football in their semi-final with Borussia Dortmund securing a 2-0 aggregate victory to advance to the final and end the Ligue 1 side’s hopes once more. PSG hit the woodwork on numerous occasions but couldn’t breach the German team’s defence as Mats Hummels came up with the winning goal in the Parc des Princes on Tuesday nigh…