Sporting Lisbon condemned Tottenham to their first defeat this season as Paulinho's last-gasp goal inspired a shock 2-0 win in the Champions League on Tuesday.Antonio Conte's side paid the price for some sloppy finishing and two pieces of dismal defending in stoppage-time at the Jose Alvalade Stadium.Richarlison, Harry Kane and Emerson Royal were all unable to beat Sporting keeper Antonio Adan, while Son Heung-min's goal-drought extended to eight games.Tottenham were still on course for a point until the dramatic denouement as Paulinho headed home before Arthur Gomes danced through the defence to seal Sporting's second successive Group D victory.It was a first loss in eight games in all competitions for Tottenham, putting a dampener on a fine run that included a 2-0 win against Marseille in their Champions League opener last week.Tottenham will still expect to qualify for the knockout stages, but this defeat adds pressure on them to avoid another slip in their remaining group games.With last weekend's Premier League match at Manchester City postponed following last week's death of Queen Elizabeth II, Tottenham looked rusty on their return to action.After a minute's silence to pay tribute to the Queen, Sporting, who beat Eintracht Frankfurt in their opening game last week, wasted little time setting the tempo.Sporting's Marcus Edwards was at Tottenham's Academy from the age of eight and earned comparisons with Lionel Messi from then boss Mauricio Pochettino.But north London-born Edwards only made one appearance in a League Cup game in 2016 before being allowed to leave three years later.The 23-year-old has been revitalised since moving Portugal, earning a transfer to Sporting in January this year.Edwards, who scored