"On a handshake, I've trusted Donald Dell with my life." -Arthur Ashe, U.S. Open champion Good negotiators know the rules. Great negotiators know when to break those rules. And then there are the true master dealmakers, like the pioneering sports lawyer Donald Dell. Over the last four decades, he has fought for some of the biggest stars in the world-Michael Jordan, Jimmy Connors, Patrick Ewing, Andy Roddick, Stan Smith, and dozens...