IMG Worldwide has a few people you might have heard of in their client portfolio--Tiger Woods, Roger Federer, Rafael Nadal, Maria Sharapova, Giselle Bundchen, Heidi Klum and Peyton and Eli Manning, for example. Until this week, though, the sports media and entertainment company wasn't in the hockey business, although they used to represent Wayne Gretzky, Jaromir Jagr and several dozen other players. So, does today's news that the agency will be handling marketing, sponsorship and lice...