's Nick Teale uses the Bettorlogic form lab to assess this week's Premier League clash.

When Stoke travel to Emirates Stadium on Saturday they will be coming in search of their first away Premier League win against a 'big four' side.
The Potters have just one point from five such games wince winning promotion from the Championship at the end of the 2007/08 season.
Tony Pulis' side have conceded 15 goals in those games and have scored just twice.
Arsenal will be looking to get back to winning ways with victory on Saturday and Gunners fans can take heart from the fact that their team has only lost five per cent of games at home to sides coming into the game in the Premier League's middle third since the start of the 2004/05 season.
Arsène Wenger's side have won 78 per cent of those fixtures, scoring an average if 2.3 goals per game in the process.
And Arsenal perform even better with captain Cesc Fabregas in the team at home to middle-third teams. Of the 30 games he has played since August 2004, Arsenal have won 26 and lost just one.  
In those games 30 Arsenal have scored 80 goals and conceded just 19 strikes. The Gunners have dropped just nine points from the 90 available in those fixtures, an impress record.
You have to go back over 28 years to find Stoke's last victory away at Arsenal. They won 1-0 at Highbury on the opening day of the 1981/82 season.

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3 Dec 2009