By Matt Hladik Mercurial free agent wide receiver Antonio Brown has not hidden his desire to continue playing in the NFL. However, he remains unsigned. Brown has connections to a number of teams, including the Baltimore Ravens. He’s tight with Lamar Jackson and has worked out the QB before, and his cousin Marquise “Hollywood” Brown is Baltimore’s No. 1 wide receiver. This week, AB posted pictures of himself on Instagram wearing his cousin’s Ravens jersey. Some took it as a sign that he is hoping to be signed by the AFC North organization. Others thought he was simply paying homage to his relat…