Tottenham Hotspur have spent big money on Archie Gray this summer and will be desperate to see him become a success in North London. Ange Postecoglou will want major reinforcements this summer as Tottenham Hotspur prepare for life back in the Europa League. It isn’t just about big spending though; Postecoglou would much rather see Tottenham be smart than careless in the market. Tottenham have invested big money in Archie Gray but expensive Tottenham signings have been a mixed bag in recent times. For instance, Tottenham’s biggest signing is still Tanguy Ndombele and he was released on a free t…