Tatis, Jr., 16, is rated by MLB.com as the No. 27 International Prospect in 2015. The 6-foot-3, 185-pound third baseman from San Pedro de Macoris, Dominican Republic, is the son of former major league third baseman Fernando Tatis, Sr.
Nova, 16, is a 6-foot-1, 170-pound, switch-hitter infielder from Bani, Dominican Republic.
Vasquez, 16, is a 6-foot-0, 170-pound shortstop from Guayacanal, Azua, Dominican Republic.
Rick Hahn, White Sox senior vice president/general manager, and Marco Paddy, special assistant to the general manager, international operations, attended today's press conference and signing at The Radisson Hotel Santo Domingo in the Dominican Republic.
"We are extremely excited to add each of these four young men to the Chicago White Sox organization today," said Hahn. "Thanks to Marco Paddy and the efforts of our international scouting staff across Latin America, we continue to add waves of very talented young players to our system. All of this success will ultimately pay off in Chicago in seasons to come."
"We are very excited about all of these four players and our entire 2015 signing class," Paddy said. "Not only are these young men impressive players on the baseball diamond with outstanding skills, but I have been incredibly impressed with them as individuals off the field as well. Each of these young men is a tribute to his family, and we are excited to have them begin their careers with the White Sox."
The White Sox expect additional Latin American signings in the coming months