Jonny May set to miss England’s Six Nations campaign with knee injury

• Gloucester wing sustained ‘significant injury that requires surgery’• Bleak prognosis before Tuesday’s appointment with specialistThe England wing Jonny May appears set to miss the entire Six Nations with the knee injury sustained in Gloucester’s Premiership draw with Harlequins. May limped off in the 42nd minute at Twickenham on Sunday after incurring the injury while kicking the ball and it has now emerged that he must go under the knife.“Jonny has suffered a pretty significant knee injury that requires surgery,” Gloucester’s director of rugby, David Humphreys, told the Gloucester Citizen.…