Joseph Gregory Erardi (born May 31, 1954) is a former Major League Baseball right-handed pitcher. Greg Erardi attended Liverpool High School in Liverpool, New York and Christian Brothers Academy in DeWitt, New York, and was selected by the Milwaukee Brewers in the 24th round of the 1972 Major League Baseball Draft. The Brewers traded Erardi to the Pittsburgh Pirates in September 1973 for pitcher Lafayette Currence, who wound up pitching for the 1975 Milwaukee Brewers. Erardi was released by the Pirates organization in June, 1975 and was re-signed by the Brewers organization. In November 1976, the Seattle Mariners made Erardi the 60th pick in the 1976 expansion draft.