Joseph William Kelly Jr. is an American professional baseball pitcher who is a free agent. He has played in Major League Baseball. He has previously played in MLB for the St. Louis Cardinals, Boston Red Sox, Los Angeles Dodgers and Chicago White Sox. He played college baseball for the UC Riverside Highlanders. He has served as both a starter and a reliever. The Cardinals drafted Kelly in the third round of the 2009 MLB draft. Listed at 6 feet 1 inch and 190 pounds, Kelly throws and bats right-handed. He won the World Series in 2018 and 2020 with the Red Sox and Dodgers, respectively.