1951 Amateur World Series 1951 Amateur World Series The 1951 Amateur World Series was the twelfth Amateur World Series, the predecessor to the Baseball World Cup. It was the only Amateur World Series ever held in Mexico, taking place in Mexico City. The Series was played from November 1 through November 19, 1951. Cuba fared well in the preliminary round, going 9-1 with a one-run loss to Puerto Rico. Venezuela also was 9-1, followed by Puerto Rico (7-3) and the Dominican Republic (7-3). Failing to advance to round two were Nicaragua (6-4), Costa Rica (5-5), Panama (5-5), Colombia (4-6), Mexico (2-8), Guatemala (1-9) and
U-18 Baseball World Cup Prior to 2010, the IBAF organized the World Junior Baseball Championship. The WBSC was created in 2013 when the IBAF merged with the International Softball Federation. U-18 Baseball World Cup The U-18 Baseball World Cup is the 18-and-under baseball world championship sanctioned by the International Baseball Federation (IBAF) and its successor, the World Baseball Softball Confederation (WBSC), and was first held in 1981 in the United States. Because it is a world championship, the results of the U-18 Baseball World Cup affect the WBSC World Rankings. Several players who have participated in the U-18 Baseball World Cup have gone on