Ryan Braun has been adamant about the validity of his positive test for performance-enhancing drugs. The positive result, which is believed to have occurred at the outset of the postseason, is being appealed by Braun. A Major League official claims that there are two scenarios in which the decision would be overturned: -- Prove there was a lab error with the testing -- Confirm the Brewers signed off on the treatment The treatment refers to Braun's claim that the positive test was a result of a doctor's prescription for a personal medical condition. Baseball's drug system is designed to prevent lab errors and the aforementioned official says the Brewers didn't sign off on whatever medication Braun was ingesting.