Deadball (デッドボール, Deddobōru) is a 2011 Japanese splatter comedy film directed by Yudai Yamaguchi. The film stars Tak Sakaguchi as Jubeh Yakyu, a seventeen-year-old who accidentally kills his father with his extra powerful baseball arm. Years later, he is a juvenile delinquent and is sent to a reform school after killing over 50 people within a week. To escape the school, Jubeh agrees to join the baseball team, even though he had sworn off the sport since his father's death.