Aston Villa and Tottenham Hotspur will lock horns on Sunday in a heavyweight Premier League showdown, with a lot on the line. That pot of Champions League gold is what both teams crave, with Unai Emery and Ange Postecoglou doing outstanding jobs at their respective clubs. One man who Aston Villa have to be wary of is the flying machine, Son Heung-min, who helped his side to a comeback 3-1 win over Crystal Palace on Saturday. The Tottenham captain admitted that ‘you are more excited’ for games against teams like Aston Villa because of the magnitude of the match, as he told Stadium Astro. As of …