In 1894, a professional soccer league was set up in the USA. The details are cloudy, but here is a big part of the story. http://homepages.sover.net/~spectrum/alpf.html If a new MLS team was set up in Baltimore, it should be called the Orioles, after the team who were the best in that league, and as a nod to the ALPF. On the two shirts, Ive made them look like baseball jerseys, for obvious reasons, and on the back of the shirt sits the Flag of Maryland