Gridiron Gang UMD Video for Sony PSP starring Dwayne "The Rock" Johnson. Based on a true story, this inspiring sports drama follows a counselor at a juvenile detention camp who forms a football team to help troubled teens build discipline, teamwork, and self-respect. Includes original UMD disc, case, and cover artwork as shown. Check out my store for more movies, DVDs, Blu-rays, and collectibles!