England will not curb Kyle Sinckler’s aggression, says coach Mitchell

• Defence coach John Mitchell calls Sinckler ‘unique’• Practice match with Georgia spills out of controlEngland have no intention of curbing Kyle Sinckler’s competitive instincts after Wales sought to wind up the tighthead prop last Saturday, with the defence coach John Mitchell urging him to take such special treatment as a compliment.Sinckler excelled for the first 55 minutes against Wales, making a staggering 16 first-half tackles, winning the scrum penalty which put England ahead and carrying the fight to Warren Gatland’s side. But two penalties in quick succession amid an ongoing tussle w…