Chelsea manager’s Andre Villas-Boas (left) talks to Assistant First Team Coach Roberto Di Matteo on the bench during the Barclays Premier League match at the Britannia Stadium, Stoke On Trent. PRESS ASSOCIATION Photo. Picture date: Sunday August 14, 2011. Photo credit should read: Martin Rickett/PA Wire. RESTRICTIONS: EDITORIAL USE ONLY. No use with unauthorised audio, video, data, fixture lists, club/league logos or ‘live’ services. Online in-match use limited to 45 images, no video emulation. No use in betting, games or single club/league/player publications