Just over a year ago, Tottenham Hotspur were leading Arsenal 2-0 at the Emirates Stadium and were on course to open up a 13-point lead over their North London rivals in the race for a Champions League spot.
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But it did not quite turn out like that. Arsenal recovered to win the Premier League game 5-2 and cut Spurs' lead over them to seven points.
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Tottenham led Arsenal 2-0 again on Sunday but this time held on for a 2-1 win in another thrilling derby to end the day with a seven-point lead over their arch-rivals.
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But the circumstances, at least for now, are very different.
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Whereas last year's cut lead was the result of a hugely negative defeat, the gap Spurs have opened up now followed a battling derby win that extended their unbeaten league run to 12 matches.
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"Last year at this time, Arsenal were seven points behind Tottenham and we know how that finished at the end of the season," Spurs manager Andre Villas- Boas told reporters.
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"Obviously the motivation now is different. We are confident, they are on a low at the moment and for them to jump back is going to be very difficult, but we just have to continue with our job."
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After losing 5-2 at the Emirates, Spurs never really recovered and the Gunners caught and overtook them to secure a Champions League spot for a 15th successive season.