Tottenham have upped their bid for AZ Alkmaar striker Vincent Janssen.

AD says Tottenham have upped their offer for Janssen to £17million in a final attempt to secure the star.<0> Spurs are on the verge of securing a deal.

The northern London club are also expected to finalise Harry Kane's new £5m-a-season contract this month, with the England striker begin rewarded for a fine season in front of goal.

Janssen is seen as a viable strike partner for Kane and manager Mauricio Pochettino seeks to bolster his squad ahead of their Champions League campaign.