Bath lock Dave Attwood has had an injection in his knee and has returned to the West Country for further treatment .
Meanwhile , Vunipola was not the only English casualty of the punishing encounter with the Boks .
Bath lock Dave Attwood has had an injection in Vunipola 's knee and has returned to the West Country for further treatment .
Meanwhile , Vunipola was not the only English casualty of the punishing encounter with the Boks .