LONDON : A pair of 18-year-olds gave Tottenham Hotspur fans reason to believe in a bright future on Wednesday as Lucas Bergvall and Archie Gray shone in a 1-0 victory over Liverpool in the first leg of their League Cup semi-final. Bergvall's first goal for the club, a sublime 86th minute finish, capped an authoritative performance from the Swedish midfielder while Gray impressed once again as a makeshift central defender. With his squad decimated by injuries, Postecoglou has had to throw