PARIS, Jan 15 (Reuters) - Tottenham Hotspur manager Andre Villas-Boas has admitted he made mistakes at Chelsea and that they were right to dismiss him after less than nine months in charge. The London club were fifth in the Premier League and had lost their Champions League last-16 first leg 3-1 at Napoli when they sacked the Portuguese before going on to win the European Cup for the first time under caretaker coach Roberto Di Matteo. "I think they could have give me the opportunity to continue. ... More...