He joined the Gunners fromMonaco in January 2006, but his loyalty to the club had been in question after his comments that "a lot of teams want me to play for them" earlier this summer.
But the newly promoted Tangerines, who make their Premier League bow at Wigan on Saturday, announced on Wednesday the capture of Manchester United's Craig Cathcart, Elliot Grandin from CSKA Sofia, Monaco's Malaury Martin and and Ludovic Sylvestre from Czech side Mlada Boleslav.