Greene said he has worked in the weight room, though, to improve his speed, lateral movement and flexibility so that he will be able to do more with the ball. But as with many freshmen, the mental part of Greene's game needed the most improvement last season. He said he has worked on that as well and has gotten better. "I know the playbook a lot better than I did last year," Greene said. "I know my blitzes and my reads now."Greene getting details down.