Rosario Isabel Rodríguez Echavarria (born July 8, 1969 in Los Mochis, Sinaloa, Mexico) is a Mexican former Major League Baseball pitcher who pitched for the Cincinnati Reds and the Pittsburgh Pirates. He debuted on September 1, 1989 with the Reds and against his future team, the Pirates. He was the youngest player to play in the National League in 1989.