By Randy Walker @TennisPublisher In the tennis history books, Novak Djokovic passed Roger Federer, Rafael Nadal and Boris Becker on Sunday. Djokovic’s 6-3, 6-3 win over Kei Nishikori in the final of the Miami Open earned him $1.03 million in prize money, vaulting him to a career prize money amount of $98,199,548 surpassing Federer’s […]