Serena Williams Thanks Sister Venus In Emotional Speech After Losing Final Tennis Match: Watch

Serena Williams Loses In Third Round Of U.S. Open, Final Match Of Career

Ex-Tennis Star Tommy Haas On Serena's U.S. Open Run, 'Going To Be Tough To Beat Her'

Serena & Venus Williams Lose in First Round of Doubles at U.S. Open, Likely Serena's Final Doubles Match