FILE - In this April 6, 1992, file photo, a general view from the upper level in the new Oriole Park at Camden Yards during opening day baseball game between the Cleveland Indians and Baltimore Orioles in Baltimore. The Orioles will celebrate mark the 20th anniversary of the inaugural opener at the Camden Yards on Friday, April 6, 2012, when they face the Minnesota Twins.(AP Photo/Ted Mathias, File)