 The Celtics are doing everything they can to keep their championship roster intact. At yesterday, ESPN reporting that Sam Hauser agreed to a four-year, $45 million contract extension. He was slated to become a free agent after this upcoming season. Training camp finally here. The New England Patriots kicking off mandatory practices with rookies reporting to Gillette Stadium in Foxborough heading into the weekend. Veterans are scheduled to arrive tomorrow. No holdouts are expected as New England prepares for its first preseason game against the Panthers on August 8th.