"Kobe worked harder, MJ worked smarter," — Tim Grover on the key differences between training MJ & Kobe ' UNDISPUTED

Tim Grover trained the one and only Michael Jordan and some of the world’s most elite athletes, and he’s also got a new book out: 'Winning: The Unforgiving Race to Greatness.' Tim Grover joins Skip Bayless and Shannon Sharpe to discuss the differences between training Michael Jordan and Kobe Bryant.

Los Angeles Lakers National Basketball Association Skip and Shannon: Undisputed