ESPN reporter Don Graziano says a source inside the NFL tells him the league is considering raising the threshold for a positive marijuana test. The source says the current policy is outdated and that the threshold for the World Anti-Doping Agency is higher. Negotiations for various drug violations have been ongoing since 2011. Many players would prefer to use marijuana to reduce pain and stress from the violent game. During the last Super Bowl, the Marijuana Policy Project posted billboards questioning the NFL's approach to marijuana versus alcohol.