Major League Baseball has been transformed by the influx of Cuban players such as Aroldis Chapman, Yasiel Puig and Jose Abreu. But a special debt of gratitude is owed to two half-brothers, whose courage two decades ago paved the way for their stardom. "Brothers in Exile" tells the incredible story of Livan and Orlando "El Duque" Hernandez, who risked their lives to get off the island.

• Documentary