Spurs-Chelsea stats

• Chelsea are without a win in their last four at White Hart Lane - losing three including the last two.
• Spurs are unbeaten in their last 11 PL home London derby matches winning the last 6. 
• Tottenham have won their last three at home against 'Big four' clubs - all by a 2-1 scoreline.
• Chelsea have failed to win both PL away matches this season after a CL match - 1-1 draw at Newcastle and 2-0 defeat at Liverpool.
• Chelsea have not scored more than once in their last six.
• Drogba has score 6 in the last 7 in London derbies. 
• Chelsea have just five points from last 18 available - their worst run since 2000