Are Profession Sports Rigged?

Join Chris and Chris on the 1st episode of the Not So Deep Podcast as they discuss professional sports. With billions of dollars at stake, have the major leagues like NFL, NBA, MLB, and NHL ever considered rigging games to avoid blowouts? Are referees capable of controlling the outcome of a game by making questionable calls? And what about MLB umpires? Could they alter the course of a game by ejecting a player for just a dirty look?