Robert Bartmess Friend (November 24, 1930 – February 3, 2019) was an American professional baseball player. He played in Major League Baseball as a right-handed pitcher between 1951 and 1966, most notably as a member of the Pittsburgh Pirates. A four-time All-Star, Friend was an integral member of the Pirates team that defeated the New York Yankees in the 1960 World Series. He played for the New York Yankees and New York Mets in his final season of 1966. As of 2019, he still held Pirates records for career innings pitched and strikeouts. He is the first man to lead the league in ERA while pitching for a last place team.