A smart-aleck kid got the thrill of his life when tennis pro Novak Djokovic invited him on the court for a few hits during a practice session. The boy, maybe 10 or 12 years old, calls out Will you marry me? from the bleachers and the notoriously good-humored Djokovic beckons him down to the court. On the first serve, the kid hits the net. On the second, he whacks it right to Djokovic, who misses the ball — mainly on account of not holding a racket.