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CB Leonardo Bonucci (25)
Twelve months ago, Bonucci looked like a major bust.
The Italy international had problems with his positioning and seemed to make one or two deadly mistakes in every game. He was a liability on the back line, but due to the lack of quality starters behind him on the depth chart, Conte was forced to stick with the former Bari man.
Fast forward to the present, and Bonucci might arguably be amongst the top 10 defenders in the world.
Gone are the mental lapses and the bad positioning. Bonucci is a changed man, combining a good understanding of what the offense is doing with a ruthless approach to making the tackle. He's one of the best at playing the long ball and is a force in the air.
Credit to Andrea Barzagli and the use of the 3-5-2 for his progression. Bonucci now plays like an elite force and will be the man leading this defence when Giorgio Chiellini and Barzagli decide to call it quits.
LCB Martin Caceres (25)
Perhaps the most versatile player on the Bianconeri roster, Caceres has been forced into the starting lineup due to the injury to Chiellini. While his recent performances have been less than perfect, the Uruguayan is still an excellent defender and one of the better backups in all of world football.
Better suited to play on the wing due to his incredible athleticism, Caceres gives it his all for the full 90 minutes. Very patient defensively, he fits in well with Conte's philosophy of defenders contributing to the attack.
Confident with the ball at his feet and strong in the air, Caceres will have the chance to show everyone he deserves a place amongst the starting XI in the next few weeks.
RCB Alberto Masi (20)
Hordur Magnusson deserves a mention here, as the young Icelandic prospect is easily the most talented defender under 25 Juventus currently have, but Alberto Masi showed everyone in the TIM Cup this year that he would have little difficulty playing for the senior side right now.
Just arrived from Pro Vercelli, Masi was forced into action straight-away against AC Milan and impressed everyone with his performance.
The youngster looked at ease against one of the stronger attacking sides in Serie A and easily outshone fellow new arrival Lucio.
Masi is a technical defender that relies more on positioning and vision than brute strength and hard tackles. Playing alongside a strong enforcer like Bonucci, he should have no problem manning the right side of the back line.
Bianconeri fans can feel safe knowing that when Barzagli decides to retire, Masi will be there to take over his spot. The youngster is currently on loan at Pro Vercelli.