Vincent Janssen joined Spurs from AZ Alkmaar for £17 million this summer. Tottenham Hotspur FC/Tottenham Hotspur FC via Getty Images

AZ Alkmaar's director of football believes Vincent Janssen's summer transfer to Tottenham was a good deal for all parties and has backed the striker to be a success in English football.

Janssen joined Spurs for £17 million in July after finishing as top scorer with 27 goals in 34 appearances in his only season in the Eredivisie.

The Netherlands international, 22, has impressed in patches for Spurs but he is yet to score from open play, with his only goal coming from the penalty spot in the 5-0 win over Gillingham in the EFL Cup.