The two London rivals gave close to their all in attempting to strengthen their claim for the first four league positions.
The hosts, Chelsea, looked seemed the strongest side from the opening whistle. After 10 minutes, the Blues led their London rivals thanks to Oscar's header at the far post from Juan Mata's corner kick.
Upfront, Spur's Emmanuel Adebayor shone brightly with his all round work ethic and marvellous attack that restored level terms in the 26th minute with a spectacular goal (of own effort) as keeper Petr Cech watched on Helplessly.
Ramires put Chelsea back in the driver's seat with a 39th minute score and it came as though the Blues woul cruise to a comfortable win. A late fightback, however, delivered an enterteining final twenty minutes of football that culminated in Sigurdsson's equaliser after collecting a back-heeled pass from Emmanuel Adebayor.
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