By Sean Walsh Tottenham Hotspur head coach Ange Postecoglou has insisted he is still awaiting the results of a scan to know the full extent of Richarlison’s injury. Postecoglou claimed in a press conference on Friday he had no new injury concerns heading into their Premier League clash with Burnley on Saturday. However, shortly after his press conference ended, Brazil confirmed their 23-player squad for Copa America and did not select regular fixture Richarlison, with the Selecao’s head coach Dorival Junior later confirming this was due to a fresh injury blow. Richarlison was not named in Spur…