2) He was Bayer Leverkusen’s record signing
Son joined the Bundesliga side two years ago, and the €10m required to take him from former club Hamburg was at the time, the side’s highest spend on one player. For a club that has played in a Champions League final, and been runners-up in the league twice since 2002, that is certainly high praise, especially for a player who was just 20 at the time.