In a conference call last week, NBA commissioner David Stern made it clear that he wasn’t a huge fan of “homer” announcers. But it’s one thing to watch a broadcast of the Portland Trail Blazers – or any team – and get an earful of blind support for the home team. It’s entirely another when some of these broadcasters extend their undying support when they vote on the NBA’s season-ending awards. Knicks guard J.R. Smith won the Sixth Man Award today. The