By Jude Summerfield Tottenham Hotspur travel to Scotland for a pre-season clash with Premiership side Hearts on Wednesday night. Spurs finished fifth in the Premier League in Ange Postecoglou’s first season in charge and began their summer preparations for the new campaign with a heavy 7-2 victory over Cambridge United last week. The north Londoners will jet over to Asia for a couple of games later in July but first take on Hearts, who came third in Scotland’s top flight last season to book a spot in the Europa League play-off round. Here’s 90min’s preview of the clash on Wednesday night. What…