Transfers: What's happening this week at your top-flight club?

All the comings and goings in the Premier League

Arsenal

Key signings: Marouane Chamakh, Laurent Koscielny.

In the pipeline: Mark Schwarzer, Federico Marchetti.

What they need: Experienced goalkeeper and a back-up defender.

Aston Villa

Key signings: Martin

O'Neill still to open the chequebook.

In the pipeline: Aiden McGeady, Stephen Ireland, Robbie Keane.

What they need: A top striker.

Birmingham City

Key signings: Ben

Foster, Nikola Zigic.

In the pipeline: Moussa Dembélé, Eidur Gudjohnsen.

What they need: A direct winger.

Blackburn Rovers

Key signing:

Hugo Fernandez.

In the pipeline: James Beattie, Andranik Teymourian.

What they need: A target man.

Blackpool

Key signing: Dekel Keinan.

In the pipeline: Francis Jeffers, Jon Stead, Angel Rangel.

What they need: About nine players.

Bolton Wanderers

Key signings: Martin Petrov, Robbie Blake, Marcos Alonso.

In the pipeline: Jack Wilshere (on loan), David Nugent.

What they need: An attacking midfielder and a striker.

Chelsea

Key signings: Yossi

Benayoun, Matej Delac.

In the pipeline: Ramires, Mesut Özil.

What they need: Exciting youngsters.

Everton

Key signings: Jermaine

Beckford, Joao Silva, Magaye Gueye.

In the pipeline: Nedum Onuoha, Landon Donovan.

What they need: Landon Donovan, who this week admitted he would like to return to Goodison.

Fulham

Key signings: Jonathan

Greening, Philippe Senderos.

In the pipeline: Craig Bellamy, Stephen Ireland, Steve Sidwell.

What they need: Mark Hughes has to buy a midfielder and a striker.

Liverpool

Key signings: Joe Cole, Milan Jovanic, Danny Wilson.

In the pipeline: Wayne Bridge, Luke Young, Stiliyan Petrov, Christian Poulsen.

What they need: A left-back, urgently.

Manchester City

Key signings:

Yaya Touré, David Silva, Jérôme Boateng, Aleksandar Kolarov.

In the pipeline: James Milner, Mario Balotelli, Fernando Torres.

What they need: A world-class striker.

Manchester United

Key signings:

Javier Hernandez, Chris Smalling.

In the pipeline: Steven Defour.

What they need: An attacking midfielder and a right-back.

Newcastle United

Key signings:

James Perch, Dan Gosling, Sol Campbell.

In the pipeline: Nicolas Otamendi.

What they need: A couple of defenders.

Stoke City

Key signings: Florent

Cuvelier, Carlo Nash.

In the pipeline: Mamadou Samassa, Roque Santa Cruz, Carlton Cole.

What they need: Steel in midfield.

Sunderland

Key signings: Cristian

Riveros, Titus Bramble, Marcos Angeleri.

In the pipeline: Alexander Hleb.

What they need: A replacement for Lorik Cana in midfield.

Tottenham

Key signing: Sandro.

In the pipeline: Craig Bellamy, Scott Parker, Micah Richards.

What they need: A proven midfielder.

West Bromwich Albion

Key signings: Steven Reid, Pablo Ibanez, Gabriel Tamas, Boaz Myhill.

In the pipeline: James Beattie.

What they need: Still around six players.

West Ham United

Key signings: Thomas Hitzlsperger, Pablo Barrera,

Frédéric Piquionne.

In the pipeline: Mikaël Silvestre.

What they need: Two full-backs.

Wigan Athletic

Key signings: Mauro Boselli, Antolin Alcaraz, James McArthur, Ronnie Stam.

In the pipeline: Humberto Suazo.

What they need: A goalscorer.

Wolverhampton Wanderers

Key signings: Steven Fletcher, Stephen Hunt, Steven Mouyokolo, Jelle van Damme.

In the pipeline: Michael Mancienne.

What they need: Experienced striker.