Italy's triumphant Euro 2020 campaign has once again cast light on the art of defending, especially after world-class performances from Leonardo Bonucci and Giorgio Chiellini.The last decade saw the emergence and dominance of some of the best defenders in the world, with teams like Real Madrid, Juventus and Barcelona all fielding world-class players.While there has certainly been an evolution as far as defending is concerned, the basics remain the same. As shown by Bonucci and Chiellini most recently, any good team is built on a rock-solid backline.We rank the 5 best defenders of the last decade.#5 Leonardo BonucciItaly Training Session And Press ConferenceLeonardo Bonucci has cemented his position as one of the best centre-backs of his generation after a towering series of performances that resulted in a Euro 2020 triumph.The 34-year old has been one of the best defenders in world football for some time now. His first spell with Juventus saw Bonucci make 319 appearances in all competitions. The trio of Andrea Barzagli, Bonucci and Giorgio Chiellini helped Juventus become a defensive behemoth and laid the path for their incredible domestic dominance.Play for Juventus together 🖤🤍Play for Italy together 🇮🇹Win #EURO2020 together 🏆Go on holiday together 🏝Eat pasta together 🍝Bonucci 💙 Chiellini📸 @bonucci_leo19 pic.twitter.com/uuhSJ84iZd— Goal (@goal) July 17, 2021After a season with AC Milan, Bonucci returned to Juventus in 2018, and has not disappointed. The Italy international's ability on the ball has been applauded by many, and his partnership with Giorgio Chiellini for both club and country is considered to be one of the best in recent history.#4 Raphael VaraneReal Madrid v Atalanta - UEFA Champions League Round Of 16 Leg TwoRaphael Varane has won nearly every possible trophy for club and country, and the centre-back's trophy cabinet is surely a sight to behold.Varane joined Real Madrid from Lens in 2011, and has been at the club ever since. A backup defender during his initial seasons, the France international blossomed into one of the best in the world and soon began partnering Sergio Ramos on a consistent basis for Los Blancos.Raphaël Varane and his agents confirmed to Real Madrid his desire to try a new experience in the Premier League. He’ll be respectful waiting for the club agreement - but he wants Man United. 🔴 #MUFCVarane also confirmed to Man Utd he’d be ‘ready’ to accept their contract bid.— Fabrizio Romano (@FabrizioRomano) July 19, 2021The centre-back has made 359 appearances in all competitions for Real Madrid and has won four Champions League trophies and three La Liga titles. Varane was an important part of the France squad which won the World Cup in 2018. The 28-year old has been linked heavily with a move to Manchester United in recent weeks.Also Read: Fabrizio Romano's Transfer Roundup: Arsenal's plans for midfield, Update on Barcelona's plans for Griezmann and more