Those spare tennis balls you have lying around in your shed or garage don’t have to collect dust when you’re not hitting the court. In fact, these fuzzy balls can be used for more than just playing ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Lleyton Hewitt, left, of Australia, shakes ...

A new breed of fitness equipment uses your phone to help track performance in your favorite sports, including running, soccer (football), tennis, basketball, baseball and golf. Jessica Dolcourt VP, ...

Sock is taking the unconventional method "to get to their level." While most world-class juniors take their academic classes on-line, Sock is enrolled in public school and playing high school tennis. ...

LONDON, ENGLAND - SEPTEMBER 25: Jack Sock of Team World celebrates a point during the match between Matteo Berrettini and Andy Murray of Team Europe and Felix Auger-Aliassime and Jack Sock of Team ...