 Meanwhile, the Celtics extended Sam Houser's contract. He 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 for the NFL. The New England Patriots kicking off mandatory practices. Veterans are scheduled to arrive tomorrow at Foxborough. No holdouts are expected as New England prepares for its first preseason game against the Panthers on August 8th. Ron DeMoss has our Monday Sports Minute.