Richard Allen Bosman (born February 17, 1944) is an American former professional baseball pitcher. He played in Major League Baseball (MLB) for the Washington Senators / Texas Rangers (1966–73), Cleveland Indians (1973–75), and Oakland Athletics (1975–76). Bosman started the final game for the expansion Senators and the first game for the Texas Rangers. He is the only pitcher in Major League history to miss a perfect game due to his own fielding error.