Tennis' Fastest Serve, Davis Cup Results, Basketball Federer- Tennis Now News 3/7/2011

Lauren Lynch reports the latest tennis news. Ousting  Andy Roddick, Ivo Karlovic hit the fastest serve in the tennis records at the Davis Cup. The USA, Spain, Serbia, Kazakhstan, France, Sweden, Argentina, and Germany move on to the Davis quarterfinals. Novak Djokovic gets twitter, Roger Federer watches the LA Lakes Basketball team, Nike Clash of the Champions begins, and Wimbledon goes 3-D.

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