Sport Science examines Roger Federer's pace and wrist snap, which enable him to hit groundstrokes at an average of 71.7 mph.
Aaron Rodgers Ruled Out Sunday
Welker Likely Out Until Playoffs
UNC Won't Seek Hairston Reinstatement
Beltran On Yanks: Means A Lot To Me
Noah, Perkins Exchange Words
More Confidence In Romo Or Foles?
ND Bringing Football Back To Fenway
Sources: Deng Not On Trading Block
Managing The Superstar Investment
College Head Coaches Drawing Interest
Balfour's Physical Jeopardizes Deal
Harbaugh Wants To Stay In San Fran
Should Kobe Sit Out For Rest Of Season?
Duke Cruises Past UCLA
Thunder Roll Bulls
Spurs Hold Off Warriors
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