KEY BISCAYNE This week, Jon Wertheim handed over the keys to the SI Tennis Mailbag to Andrea Petkovic. The 29-year-old took some time between playing at Indian Wells and this week's Miami Open to answer some reader questions about pressures on the WTA Tour, Maria Sharapova, David Foster Wallace and more. Andrea, I am a big fan of not only your game, but also your friendly personality.
Kevin Anderson will face last year's runner-up Kei Nishikori in the second round of the Miami Open, while Viktor Troicki and Dudi Sela also advanced. South African Anderson made it through his first-round encounter with qualifier Dusan Lajovic, winning
Iguanas are an invasive species in South Florida, and one iguana took that label a bit too literally Wednesday when it invaded a Miami Open match between Tommy Haas and Jiri Vesely. The iguana halted play after it perched menacingly on the scoreboard.