By Ryan AberOklahoma 2019 signee Derek Green will transfer from Norman and continue his football career, Green said Sunday night on Twitter.Green, a three-star prospect from Jacksonville, North Carolina, had said recently that he intended to leave OU — where he'd been enrolled since January — to join the military.Would like to thank the University of Oklahoma again for everything they did and the time they took out for me.Read more on NewsOK.com