Completed in 1950 where it operated until 1991. It was the home of the old minor league Orioles and became the home of the Major League Orioles when they moved from St. Louis in 1954. It was also the home of the old AAFC Colts through there merge into the NFL from 1950-91. These signs were removed and sold after the 1991 season. A true piece of history that saw the emergence of both Major League baseball and football from it's beginnings through some of the greatest players of all time having passed through its gates.