Oklahoma football head coach criticized NCAA rules regarding marijuana usage Thursday, per Ryan Aber of The Oklahoman.
"For a lot of people—not saying everybody—but for a lot of people this isn’t performance-enhancing. This isn’t a party deal," Riley said.
"For a lot of people, it’s a major mental-health issue. Major. And as I finally woke up and paid attention, with that realization in me finally being able to learn that and understand that—which took me too long, honestly—it shifted everything about how we handle that issue in our program."
Per Aber, wide receiver Trejan Bridges, defensive end Ronnie Perkins and running back Rhamondre Stevenson tested positive for marijuana before the team's Dec.