Manu Tuilagi ready to make ‘explosive’ England comeback, says George Ford

• Injury-plagued Tuilagi last started a Six Nations match in 2013• ‘I have never seen anyone as explosive as Manu’England’s Six Nations rivals have been warned to brace themselves for a resurgent Manu Tuilagi when the tournament kicks off in just over a fortnight. The injury-plagued centre has not started a Six Nations game since 2013 but his teammate George Ford believes the Leicester man is primed to make a significant impact this season.Tuilagi will be among a 35-strong England squad announced at Twickenham on Thursday for a pre-tournament camp in Portugal in the run-up to their opening mat…