Round 3: Williams vs. Henin-Hardenne
Who is the best athlete in the world? Vote in this third-round matchup!
On the list because she completed the "Serena Slam" in 2003, winning the four majors in a row -- the 2002 French Open, Wimbledon, and U.S. Open, and the 2003 Australian Open. So powerful and dominant that in early April, after an eight-month layoff due to injury, she won the Nasdaq 100 in lopsided fashion.
Read full story