By NICK CAIN

BILLY Vunipola’s participation in the autumn series appears to be in serious jeopardy with the England No.8 hobbling off after wrenching his knee just before half-time in a match made more lop-sided than it might have been because Sale butchered two tries after the interval.
Saracens rugby director Mark McCall confirmed after the game that Vunipola had been taken to hospital for a scan.
England coach Eddie Jones will echo McCall’s sentiment that “we’re praying it’s not as bad as it looks”, because Vunipola was starting to get back into his ...