Rebuild: Three Arsenal weak links and three perfect signings if Gunners are to move forwards

Upgrade – Andre-Pierre Gignac (Olympique Marseille)

Gignac is one of Europe’s most in form strikers so far this season, with 10 goals in 11 games for Marcelo Bielsa’s flying Marseille, but he is out of contract at the end of the season and is unlikely to sign a new one, potentially offering a bargain to the Gunners.