"Two-headed monster" Slams Competition
"They're the Shaquille O'Neal of professional tennis. What I mean is, there's no other player out there that can compete physically with [their] power and speed on the tennis court," says former men's doubles specialist Luke Jensen about the Williams sisters on ESPN Classic's SportsCentury series.
Their rival Martina Hingis has called them the "two-headed monster" of women's tennis. Not only do Venus and Serena Williams represent the top sister act in tennis history, they individually ...
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