Robinson Cano pumped his fist. Jose Reyes and Hanley Ramirez danced together near home plate. Fernando Rodney pointed to the sky after the final out. The Dominican Republic is unbeaten and having fun in the World Baseball Classic. Nelson Cruz's two-out, RBI single broke a seventh-inning tie, and the Dominicans overcame an early four-run deficit Tuesday to beat Italy 5-4.