Over forty years after the release of Tay Đấm Huyền Thoại (1976), Sylvester Stallone recounts the making of the beloved classic that made him an icon.Over forty years after the release of Tay Đấm Huyền Thoại (1976), Sylvester Stallone recounts the making of the beloved classic that made him an icon.Over forty years after the release of Tay Đấm Huyền Thoại (1976), Sylvester Stallone recounts the making of the beloved classic that made him an icon.