Tottenham are in for another big summer and it looks like they might have a buyer for one player who can definitely leave the club. Manager Ange Postecoglou has spoken at length about the need to strengthen and freshen the squad up this summer. That means the Spurs boss wants a number of new signings. But on the flipside, he also wants to move certain players on to trim the squad. READ MORE:Exclusive: Tottenham ask about signing two brothers including winger with more take-ons than Kylian Mbappe)A number of first-teamers are expected to be available, including players like Gio Lo Celso and Oli…