Former NFL football quarterback Jim McMahon speaks during a news conference Tuesday, June 17, 2014 in Chicago. McMahon spoke of his ongoing battle with dementia that he believe is related to his years of hits he took while playing in the league. McMahon is part of a federal lawsuit filed in San Francisco accusing teams of illegally dispensing powerful narcotics and other drugs to keep players on the field without regard for their long-term health. He led the Chicago Bears to victory in the 1985 Super Bowl. (AP Photo/Stacy Thacker)
Former BYU quarterback Jim McMahon, who spent 15 years in the NFL, is taking a stance in favor of medical marijuana.