HAVANA (AP) Some of Major League Baseball’s biggest Cuban-born stars put dozens of boys through batting, pitching and catching drills in a sunny Havana ballpark, part of a three-day mission meant to warm relations between the U.S. league and this baseball-mad nation. Among the teachers at Wednesday’s baseball clinic were Los Angeles Dodgers outfielder Yasiel Puig, St. Louis Cardinals catcher Brayan Pena and Chicago White Sox first baseman Jose Abreu – defectors who were once reviled by Cuban officials for abandoning the communist-run country but who have returned in triumph following last year’s historic detente between the Cold War foes. ”We’re going to give our best on this visit and we appreciate the opportunity we’ve been given,” said Puig, who left Cuba illegally in 2012. ”Everything else we leave to God and destiny.” The return of the defectors on Tuesday was a landmark in the new relationship between Cuba and the United States and a dramatic manifestation of Cuba’s shifting attitude toward the hundreds of players who fled the country that trained them. Joined by pitcher Pedro Luis Lazo and other Cuban baseball players who have stayed on the island, the major league stars divided the 10- and 11-year-old youths…