England’s Billy Vunipola faces battle to be fit for 6 Nations

The number eight had to be driven off the pitch on a medical cart yesterday.

England number eight Billy Vunipola faces a battle to be fit to play any part in the RBS 6 Nations after undergoing knee surgery that has ruled him out for at least three months.

The Saracens number eight sustained torn cartilage at the end of the first half of Saturday's 27-14 victory over Argentina at Twickenham and had to be driven off the pitch on a medical cart.