"One player who could benefit tremendously from the NFL allowing marijuana to be used to treat pain is Seattle Seahawks wide receiver Percy Harvin, whose chronic migraine headaches have sidelined him at several points throughout his career. Marijuana, experts say, is highly effective in treating the pain caused by migraine headaches."

"Due to the physical demands of playing in the NFL, players often suffer painful injuries and are forced to treat the pain with narcotic prescription drugs, on which they can become dependent."

"NFL players could soon be allowed to use marijuana to treat pain if they are in states where the drug has been legalized for either medical or recreational use, the league's commissioner said last week."

"Marijuana has been approved in several states to treat varying ailments, including chronic pain. Given the addictive qualities of other pain medications NFL players often are given to treat the pain caused by injuries sustained on the field, there is a growing number of people advocating the use of marijuana, which doesn't have the same addictive qualities."

"In 2006, then-Dallas Cowboys receiver Terrell Owens overdosed on Hydrocodone."

"Much of Percy Harvin's career has been plagued by migraine headaches, which could be treated by medical marijuana."

"Former Pro Bowler Lomas Brown says he suspects that as many as 50 percent of NFL players currently use marijuana"

From Daily Mail Online.