's Nick Teale uses the Bettorlogic form lab to assess this Sunday's game.

Arsenal and Tottenham come into Saturday's north-London derby level on points in the Premier League.

Spurs have made a strong start to their season but the trip to Emirates Stadium is set to be their sternest test yet.

Tottenham haven't won away at a big four club in over five seasons and while that may give Gunners fans confidence, our North London rivals have been resurgent under Harry Redknapp.

Since the start of the 2004/05 season, Tottenham have win 40 per cent of their fixtures averaging 1.47 points per Premier League game.

Their record since Redknapp took charge improves to a 50 per cent win rate and an average of 1.7 points per game, while they have also scored more and conceded less under their current manager.

Jermain Defoe is Spurs' top goalscorer this season, however he is suspended for Saturday's clash. But that could be a blessing in disguise for Redknapp's side.

The striker has played 19 times against big four clubs home and away for Tottenham but the stats suggest his presence has an adverse effect on the team.

When he plays, Spurs average just 0.68 goals per game. The overall club record against the big four is 0.91 goals per game - a 24 per cent difference.

For Arsenal, Bettorlogic Player Pro offers plenty of optimism.

When playing at home against teams coming into the game in the Premier League's top six, the Gunners have lost on just 15 per cent of occasions, scoring an average of 1.63 goals per game. (based on games played since the start of the 2004/05 season).

Compare that to Spurs' record away at Big Four clubs over the same period of time and Arsenal fans have every right to be hopeful ahead of Saturday's North London derby.

Spurs record away at big four clubs versus Arsenal at home to top-six sides*
  Spurs away at Big Four clubs Arsenal at home to top six sides
Win % 0 44
Draw % 38 41
Lose % 62 15
Average points per game 0.38 1.74
Average goals per game 0.76 1.63
Average goals conceded per game 1.86 1.19

*Based on Premier League games played since the start of the 2004/05 season

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29 Oct 2009