Koscielny boost for Gunners

Arsenal defender Laurent Koscielny returns to the squad for Sunday’s Barclays Premier League clash with Liverpool.

Koscielny has recovered from a calf injury, but goalkeeper Wojciech Szczesny faces a fitness test on his rib problem.

Midfielder Jack Wilshere (ankle) and defender Bacary Sagna (broken leg) continue their rehabilitation.

Provisional Squad: Szczesny, Jenkinson, Vermaelen, Mertesacker, Koscielny, Gibbs, Diaby, Cazorla, Walcott, Arteta, Podolski, Gervinho, Fabianski, Arshavin, Ramsey, Giroud, Santos, Djourou, Coquelin.