Juventus vice-captain Giorgio Chiellini is facing three monthson the sidelines after tearing his calf in training.Bianconeri head coach Antonio Conte had admitted the Serie Aleaders were likely to miss the 28-year-old defender’s services forthe foreseeable future after he pulled up in training, and medicaltests have confirmed the Juve boss’ suspicions.A statement on Juventus’ official website read: “This morningGiorgio Chiellini underwent an ultrasound scan at Turin’s Istitutodi Medicina dello Sport medical centre.“The scan revealed a tear in the defender’s right calf. He willbegin his rehabilitation programme, defined by the club’s medicalstaff, over the course of the next few days.”Conte’s men, who lead Serie A by seven points, face Cagliari onFriday night before a two-week winter break begins.He told the club’s official website: “It’s a shame Chiellini’sinjured, he’s a player everyone would like to have, for what heoffers both on and off the field of play.“He’s one of our leaders. But I’m convinced he’ll come backstronger than before, looking to recover as soon as possible withthe help of the club’s medical staff.”The forward, who turned 18 earlier this month, is set to agreewhat is believed to be a five-year deal before the weekend.Sterling is the brightest of a crop of youngsters emerging…