Alexis Rivero of Cuba’s Los Leñeros de Las Tunas pitches during a Caribbean Series match against Venezuela’s Cardenales de Lara in Panama City on Feb. 6. Major League Baseball had made a deal with Cuba’s baseball federation to allow Cuban athletes to play in the U.S. without defecting, only to see the Trump administration subsequently block the rule.

Alexis Rivero of Cuba’s Los Leñeros de Las Tunas pitches during a Caribbean Series match against Venezuela’s Cardenales de Lara in Panama City on Feb. 6. Major League Baseball had made a deal with Cuba’s baseball federation to allow Cuban athletes to play in the U.S. without defecting, only to see the Trump administration subsequently block the rule