Son Heung-min says his choice to leave Tottenham was the "most difficult decision" he's had to make in his football career.

Son had been at Spurs for a decade and led them to Europa League glory last season to end a long trophy drought

Son Heung-min paused for a few seconds, struggling to say the words that were about to shatter the heart of every Tottenham Hotspur supporter. When Spurs visit South Korea during pre-season, Son always speaks to the local media. He is captain of his country’s national team and probably the most high-profile Asian footballer of all time.