The New York native will oversee the Marlins' Minor League operations. He replaces Marty Scott, who has been reassigned within the organization.
DelPiano also was with the Red Sox as a special assignment scout from 2006-08, and he was part of the staff that put together Boston's 2007 World Series title team.
Joe Frisaro is a reporter for MLB.com. He writes a blog, called The Fish Pond. Follow him on Twitter @JoeFrisaro and listen to his podcast. This story was not subject to the approval of Major League Baseball or its clubs.