Ange Postecoglou looks set for a busy summer transfer window at Tottenham Hotspur. The Tottenham boss will be hoping to guide his side back into the Champions League and build on a promising debut campaign. Should Spurs secure their place in Europe’s top club competition, it will undoubtedly increase their chances of landing more high-profile players. Conor Gallagher is one name to be continuously linked with a move to north London as Ange Postecoglou searches for midfield reinforcements. But with the prospect of luring Gallagher away from Chelsea looking set to be difficult, Atalanta midfield…