Oklahoma football: Dorial Green-Beckham officially joins Sooners, but many questions remain unanswered - Article Photos 1/9

In this Feb. 1, 2012 file photo, Dorial Green-Beckham speaks at a news conference after announcing that he will play college football for Missouri in Springfield, Mo. Green-Beckham has been arrested and released in an incident police say is tied to illegal drugs. Springfield, Mo., police representative Anthony Cunis says Green-Beckham was arrested early Saturday, Jan. 11, 2014, on "suspicion of drug activity.” Cunis says the investigation is ongoing and declined to provide more information regarding the arrest or whether charges had been filed. He says the department will release more information on the case Monday. (AP Photo/Mark Schiefelbein)