They were born within a week of each other. They grew up on the junior circuit together. They turned professional in the same year. They are both 6 ft 6, both right-handed and they have both won a US Open Grand Slam. They are tennis twins. On Sunday afternoon, Marin Cilic and Juan Martin Del Potro met in the first reverse singles in a match that would effectively decide the outcome of the 2016 Davis Cup.
Argentina had taken a gamble and chosen to play … Read the rest