Brennan Johnson has lauded Tottenham Hotspur skipper Heung-min Son as a ‘world-class’ player. Heung-min Son returned from the Asian Cup last week and was named among the substitutes as Tottenham beat Brighton 2-1. It was a moment of real quality from Son which ultimately handed Spurs all three points. Ange Postecoglou’s men had trailed heading into halftime but after Pape Matar Sarr levelled things up just after the hour mark, Son linked up with Brennan Johnson for a stoppage-time winner. A sweeping move down the left-hand side ended with the South Korean star delivering an inch-perfect ball a…