No sooner had Billy Dundon finished saying how hopeful he was to meet Yoenis Cespedes than the Mets slugger sauntered over from his usual haunt around the batting cage. Cespedes grinned at Dundon and his Maine-Endwell baseball teammates, who on Sunday became the first New York team to win the Little League World Series in more than a half-century. Then Cespedes worked his way down the line, offering autographs for all of them.