Sports fans all over the world witnessed an exciting year in 2012. Usain Bolt made Olympic history in London, Johnny Manziel became the youngest college football player to ever win the Heisman trophy, and Lebron James finally won a championship ring. Maggie Gray is an anchor for SI.com, and she comes to the studio to … Continue reading 2012's top 5 moments in sports; SI.com anchor Maggie Gray has the score