Desc: Tay Đấm Huyền Thoại 4: Directed by Sylvester Stallone. With Sylvester Stallone, Talia Shire, Burt Young, Carl Weathers. Rocky Balboa proudly holds the world heavyweight boxing championship, but a new challenger has stepped forward: Drago, a six-foot-four, 261-pound fighter who has the backing of the Soviet Union.