Mauricio Pochettino's side have not been at their most fluent in the early throes of the Premier League season but from the moment Son scored a classy 10th-minute opener Spurs ran riot.
Spurs scored all their goals in a devastating opening 45 minutes at the Tottenham Hotspur Stadium, with Patrick van Aanholt turning Serge Aurier's low ball into his own net, Son adding an expertly taken volley and Erik Lamela finishing a clinical move.
A failure to add to their tally in the second half was no reflection of their play and Pochettino can reflect on Spurs' most enterprising performance of the season.
