His Heung-min of Tottenham Hotspur joined the club’s camp on Thursday for the upcoming season.
The 2020–21 English Premier League season on 12 September and ends on 23 May next year.
Son took a short break in Korea for about 3 weeks after completing last season, in which he scored 11 goals and 10 assists in 30 league games.
He arrived on 28 July and returned to London on 17 August.