I didn't know about it until a couple of years ago, the Ravens were the defending Superbowl champions, which usually entitles one to a home opener, but because

I didn't know about it until a couple of years ago, the Ravens were the defending Superbowl champions, which usually entitles one to a home opener, but because the Orioles were still contending for the playoffs, the Ravens had their first game away at Denver.