Worcester’s Cornell du Preez unable to talk after throat injury

• Fractured cricoid suffered in collision with Wasps’ Launchbury• Back-row must remain in hospital for about four weeksThe Worcester and Scotland back-row Cornell du Preez has revealed he is unable to talk and must remain in hospital for the next four weeks as a result of the serious throat injury he sustained on the opening weekend of the Premiership season.Du Preez has undergone multiple operations after he was taken to hospital in Birmingham following the injury suffered in Worcester’s defeat by Wasps on 1 September. The 27-year-old had been on the pitch for barely five minutes when the inj…