Michael Phelps, Nicknamed The Baltimore Bullet, To Retire After London? By: Chris Tyler Jul 26, 2012 Sports, US Share this:TweetShare on TumblrEmail Related Tags: London Olympics 2012, Marijuana, Michael Phelps, Michael Phelps 2008, Michael Phelps 2012, Michael Phelps London, Michael Phelps News, Michael Phelps Olympics, Michael Phelps Retirement, Michael Phelps Swimming, Olympic News, Swimmer Michael Phelps
