Critics of Steffon Armitage’s England selection looking for ‘an excuse’

• England players fear dressing-room unrest if Armitage selected• ‘He’s world class and a really good bloke,’ says Toulon team-mate• Stuart Lancaster should stand firm on Armitage, despite Australia’s changeClaims that picking Steffon Armitage would undermine England team spirit at the World Cup have been dismissed as naive by the flanker’s Toulon club-mate Drew Mitchell. The Australian reckons Armitage would add a fresh dimension to the squad and says the Wallabies would prefer not to face him this autumn.A number of English players have suggested selecting an overseas-based player under the…