On September 22, 2012, two of the greatest tennis players of all-time will square off in a match for the ages at The Greenbrier Champions Tennis Classic, when legends Pete Sampras and John McEnroe take to the court at the venerable Greenbrier resort in White Sulphur Springs, WV.

FORBES: Fantasy Tennis Match Is Real - Sampras Vs. McEnroe

But lawyers for the NFL and the plaintiffs will square off for the first time next month before Judge Anita B.

WSJ: Concussion Dangers: The NFL's Courtroom Playbook��What About the Kickers?

Real Madrid and FC Barcelona square off for the sixth time this season on Saturday in the latest version of the Clasico.

FORBES: Cristiano Ronaldo And Lionel Messi Rule The World, But Not The U.S.

"I don't see a case to fight again but logically he wants a chance, " he added of talk that he and Pacquiao could square off for a fifth time.

CNN: December 19, 2012 -- Updated 1227 GMT (2027 HKT)

In the women's draw, former world No. 1s Maria Sharapova and Ana Ivanovic will square off on Friday for the first time since the 2008 Australian Open final for a place in the Indian Wells title match.

CNN: SHARE THIS

Vika appeared to be such a glossier prime-time match women's No. 1 Serena Williams would square off with promising nemesis Victoria Azarenka.

WSJ: Jason Gay: Nadal, Tennis's Snuffleupagus