During their time together at the Old Lady, McKennie and Chiellini's friendship was well known, with the Italian nicknaming him "Big Mac" - like the American fast food burger from McDonalds. The USMNT star was taken under the defender's wing in his first season at Juve, where they won the Coppa Italia together. Now, with Chiellini opting to retire at age 39, McKennie has bid him farewell - but surely it won't be the end of their friendship.