The 28-year-old Chapman is from Cuba and played for his home country during the 2009 World Baseball Classic. He went 0-1 with a 5.68 ERA and eight strikeouts in 6.1 innings for a Cuban team that was eliminated by Japan in the second round.
Chapman did become a U.S. citizen in a ceremony on April 29 that he celebrated in an Instagram post:
Team USA may be Chapman's only chance to pitch in the World Baseball Classic. Rivera noted that president of Cuba's National Institute of Sports, Physical Education and Recreation Antonio Becali said during a news conference about the country's Olympic team that the organization will "only use athletes who have remained in their native land to represent the island nation in international events.