England boss Steve Borthwick facing ANOTHER selection headache after star's injury as Northampton Saints show their credentials in win over Gloucester, writes ALEX BYWATER

England head coach Steve Borthwick is facing up to a scrum-half headache for his team's autumn opener with Australia after Alex Mitchell suffered his fourth hamstring injury this year. Mitchell limped off with his latest leg problem in the first half of Northampton's home bonus-point victory over Gloucester – a result which dethroned the visitors as PREM leaders. Last week, Mitchell and his Saints and England colleague Archie McParland were two of the three No 9's in training with the national squad ahead of Sunday's clash with the Wallabies .