Tottenham's players celebrate after winning the Europa League round of 16 second leg soccer match between Tottenham Hotspur and AZ Alkmaar at the Tottenham Hotspur stadium in London.

AZ Alkmaar's Peer Koopmeiners and Tottenham's Dominic Solanke challenge for the ball during the Europa League round of 16 second leg soccer match between Tottenham Hotspur and AZ Alkmaar at the Tottenham Hotspur stadium in London.

Tottenham's scorer Wilson Odobert celebrates after scoring his second goal during the Europa League round of 16 second leg soccer match between Tottenham Hotspur and AZ Alkmaar at the Tottenham Hotspur stadium in London.

Tottenham's scorer Wilson Odobert, center, celebrates with Pedro Porro, left, after scoring his second goal during the Europa League round of 16 second leg soccer match between Tottenham Hotspur and AZ Alkmaar at the Tottenham Hotspur stadium in London.

Tottenham's James Maddison scores his side's second goal during the Europa League round of 16 second leg soccer match between Tottenham Hotspur and AZ Alkmaar at the Tottenham Hotspur stadium in London.

Tottenham's head coach Ange Postecoglou reacts during the Europa League round of 16 second leg soccer match between Tottenham Hotspur and AZ Alkmaar at the Tottenham Hotspur stadium in London.

AZ Alkmaar's head coach Maarten Martens is pictured prior the Europa League round of 16 second leg soccer match between Tottenham Hotspur and AZ Alkmaar at the Tottenham Hotspur stadium in London.

Tottenham's Wilson Odobert celebrates after scoring the opening goal during the Europa League round of 16 second leg soccer match between Tottenham Hotspur and AZ Alkmaar at the Tottenham Hotspur stadium in London.

Tottenham's Lucas Bergvall runs with the ball during the Europa League round of 16 second leg soccer match between Tottenham Hotspur and AZ Alkmaar at the Tottenham Hotspur stadium in London.