The Baltimore Colts were an American football franchise in the National Football League. The team was based in Baltimore. The logo was a white horseshoe (blue uniforms). The team had success since 1953 when it began, winning four NFL championships, including Super Bowl V. The most famous player was quarterback Johnny Unitas . However, in 1984, Bob Irsay secretly (meaning in the middle of a March night without an announcement) moved the team to Indianapolis to begin play as the Indianapolis Colts.