The key to the Andy Murray-Ivan Lendl relationship, you ask? Trust.
Tennis junkies, need a few sage tips? Look no further than U.S. Open resident teaching pro Roger Federer.
The Roger Federer-Tiger Woods friendship runs deeper than Gillette commercials. Figures that they'd drive each other to be better.
More than 15 years after tennis was left for dead, it has witnessed positive momentum. But while more visible, how relevant is it in the matrix of American sports?