Skysports.com understands four Premier League clubs are in the hunt for former Manchester United and Arsenal defender Mikael Silvestre.
The 32-year-old was released by Arsenal at the end of last season and is currently training in the South of France to keep up his fitness.
West Ham and Wigan are thought to be interested in his signature, while two other top-flight sides are tracking his progress.
Silvestre made 12 Premier League appearances for the Gunners last term, but left upon the expiration of his contract at the end of the campaign.
Previous to his move to the Emirates, the former France international spent nine years with Manchester United where he appeared 249 times in the league.
Silvestre has been targeted by both the Hammers and the Latics as they look to bolster their defences before kick-off in August.