LOUIS CARDINALS — Agreed to terms with SS Christian Muscarello on a minor league contract. FOOTBALLNational Football LeagueINDIANAPOLIS COLTS — Released RB Chris Rainey. TAMPA BAY BUCCANEERS — Released RB Brendan Bigelow and WR Quinton Payton. COLLEGECHARLESTON SOUTHERN — Signed softball coach Shane Winkler to a four-year contract extension.