Sporting beat Tottenham Hotspur 2-0 in the Champions League group stage.
In the 89th minute, Paulinho sent the ball into the gates of the London club after a corner. Three minutes later, Arthur doubled the advantage of the hosts.
For Spurs head coach Antonio Conte, this was the first match against the Lions in his career as a player and coach.
Sporting has scored 6 points and is in the lead in Group D. The English have 3 points.
In the next round, Tottenham will play away with Eintracht on October 4. Sporting on the same day will play on the road with Marseille.