Baseball Diplomacy Act - Waives certain foreign assistance and trade and travel prohibitions against Cuba under specified federal law regarding Cuban nationals who: (1) enter the United States on a visa to play organized professional baseball, and (2) return to Cuba with their baseball earnings. States that such visa shall be valid only for the duration of the season and need not be renewed as long as the player remains with the same team.
Prohibits the President from denying visas to such nationals based upon authority under the Immigration and Nationality Act to restrict any entry of aliens or class of aliens that would be detrimental to U.S. interests.
Declares that this Act shall not be affected by the economic embargo requirements against Cuba under the Cuban Liberty and Democratic Solidarity (LIBERTAD) Act of 1996.