Heung-Min Son is one of the best players in the Premier League. Not only is he a technically incredible footballer, Son is also one of the fittest and fastest players in the Premier League. However, that seemingly wasn’t always the case at Tottenham. Indeed, speaking on The Overlap, Kieran Trippier has shared some insight into Son’s fitness regime when he first came to Tottenham, and, interestingly, he noted that the South Korean was a part of a sub-group that had to work in an altitude chamber to lose weight when he first signed. Gary Neville was shocked when he heard this about Son, exclaimi…