Coach Hong Myung-bo under fire following abject performance against South Africa as questions remain about relationship with Son Heung-min.

Hong Myung-bo’s team must wait to see if they advance as a best third-place finisher, while Mexico beat the Czech Republic to top Group A.

MONTERREY, Mexico, June 24 : South Korea coach Hong Myung-bo said he had deliberately left captain Son Heung-min on the bench in the hope the forward could exploit tiring South…