Tottenham Hotspur are ‘seriously considering’ a last-minute move to sign Chelsea star Conor Gallagher this week. Spurs continue to be linked with a move for the Englishman as Ange Postecoglou bids to bolster his midfield before Thursday’s deadline. There have been claims that Chelsea could agree to the sale of their academy product this week, despite the fact that Conor Gallagher has been a key man under Mauricio Pochettino this term. It’s no secret that Spurs hold a strong interest in signing Gallagher, with Postecoglou said to be a huge fan of the midfielder. And according to The Times, Tott…