The Ravens are setting their 53 man roster Saturday, who will stay and who will go? We'll get a chance to talk with WBAL News Radio 1090 and FM 101.5's Bobby Trosset and learn about which three NFL teams finished the preseason undefeated. The Ravens knew which team they will open the season against, but not which QB will be starting. The Dolphins finally announced their starting QB. Who is it? Let's discuss!