The Argentine winger came with a big reputation when he joined the London outfit from Roma in a club-record deal last year, but failed to live up to his billing in an injury-plagued first season in England.
Lamela made only nine Premier League appearances, with just three of those coming from the start, and was linked with a move back to Italy.
"We expect a lot from him, he's an unbelievable player," said Pochettino.
"He needs to show us that he deserves to play, but at the moment we are happy with his performance."
Andros Townsend was also in target in Tottenham's victory over MLS side Toronto, who lined up with Jermain Defoe as captain against his former club.
TOPICS
LATEST ARTICLES
