Christian Eriksen, after great play by Son, scored the first goal of the game in the North London derby. The Dane took advantage of Leno's error to knock home the rebound.
Tottenham started the match against Arsenal in the best way possible. They were pressing and they scored with one of their attacks.
In the 10th minute, Son took the ball in his own half and made a great move. He beat various defenders and gave the ball to Lamela, who was in a good position.
The Argentine did not think twice before shooting. His shot was saved by Leno, but Eriksen picked up the pieces to make it 0-1.
The Dane has now scored 50 Premier League goals for Spurs.