Ravens left tackle Eugene Monroe has missed nearly half the team's games over the past two seasons, battling knee and ankle injuries in 2014, the concussion he sustained in the opening game of 2015 and the shoulder injury that ended his season.

To deal with the pain, the seven-year veteran would like to use medical marijuana, which has been legal in Maryland since 2014.

But because it's on the National Football League's list of banned substances, he would face a suspension if he tried.

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