World No. 8 Juan Martin del Potro strengthened his bid to qualify for the year-end Barclays ATP World Tour Finals on Sunday, defeating qualifier Grega Zemlja
It was the end of an era at Crandon Park for the Miami Open last year. From the Lipton, to the Nasdaq 100, to the Sony Ericsson, to the Sony, to the Miami Open presented by Itau, Key Biscayne saw it all.