In the first hour of Sports Open Line from Jupiter, Florida, Matt Pauley previews a big day for St. Louis sports tomorrow. The Cardinals play a split squad doubleheader to begin their Spring Training slate of games, and City SC have their first MLS regular season game. Hear more about City from Charles Boehm, writer for MLSSoccer.com. Mike Mitchell, pro football writer, joins the show to discuss everything Battlehawks.