2009. He underwent arthroscopic knee surgery to assess the severity of the injury. The examination concluded that Dvoracek had also injured his ACL, and would miss the 2009 season. He was waived/injured on August 31 and subsequently reverted to injured reserve, his fourth consecutive year ending on the IR list. Omaha Nighthawks Dvoracek was signed by the Omaha Nighthawks in 2010. He was re-signed by the team on July 15, 2011. He was let go after the 2011 season. References External links Chicago Bears bio Just Sports Stats 1983 births Living people Players of American football from Texas American football defensive tackles Oklahoma Sooners football players Chicago Bears players Omaha Nighthawks players People from Lake Dallas, Texas American people of Czech descent College football announcers National Football League announcers