Tottenham are preparing for another busy summer with Ange Postecoglou at the helm and one £25m signing could be on his way out. Postecoglou will be in no mood for messing about this summer and will be looking to bring in a number of new players to supplement and improve his squad. As part of that, Postecoglou will also need to make decisions on certain players and will see the potential for a number of exits along the way. Reports have already suggested Giovani Lo Celso could be on his way to La Liga, while a number of other players, such as Pierre-Emile Hojbjerg, could also be on their way. A…