Riddle tests positive for marijuana, released by the UFC
by Steven Marroco | source: mmajunkie.com The welterweight fighter on Tuesday confirmed to MMAjunkie.com Radio (www.mmajunkie.com/radio) that he failed his second post-fight drug test for marijuana and has been released from the UFC. Riddle flunked a test following UFC on FUEL TV 7, where he earned a split call against Che …