A true athlete, Zuma shines during playtime, racing after tennis balls with lightning speed and unmatched agility. She’s known to spread joy and excitement with every leap and tail wag.

IMAGO / ZUMA Press Wire Tennis fans who were hoping ... The American tennis star is still upset about the quality of tennis balls used at last month's Australian Open. In his post-match interview ...

Tennis has a fuzzy yellow problem most players don't think about when they open can after can of fresh balls, or when umpires at U.S. Open matches make their frequent requests for "new balls please." ...