Jacob Peavy is an American former professional baseball pitcher. He played in Major League Baseball for the San Diego Padres, Chicago White Sox, Boston Red Sox, and San Francisco Giants. He won the 2007 NL Cy Young Award after recording the Pitching Triple Crown that year. He is one of nine players in Major League history to have won back-to-back World Series championships titles on different teams. He won one with the Boston Red Sox and the San Francisco Giants.