The year 2011 has so far been a good one for sports torrent trackers. We've seem several well known dedicated sports sites opening signup (Racing Underground being one of them) and several lesser known sites gain more popularity. If you are a sports fanatic, here's another torrent tracker that might interest you. SportHD is a specialized private BitTorrent tracker for all types of sports content. As the name suggests, bulk of the video material indexed here are in high definition (HD) quality....