Tottenham had a strong start, taking a 2-0 lead, but PSG made a comeback in the final ten minutes to draw the game 2-2 in normal time.
However, the match went to a penalty shootout, which PSG won.
After the game, Son, who has recently joined LAFC, shared a message on social media, saying he was proud of his former team and encouraged them to stay positive and focused on the future.
He also expressed his support for the Tottenham family, wishing them good luck and saying "COYS" (Come On You Spurs).
