"1958Z"^^ . . . "American baseball player and coach" . . "Frederick Mitchell Walker (March 21, 1884 \u2013 February 1, 1958), nicknamed \"Mysterious\", was an American athlete and coach. He was a three-sport athlete for the University of Chicago from 1904 to 1906 and played Major League Baseball as a right-handed pitcher for the Cincinnati Reds, Cleveland Indians, Brooklyn Superbas, Pittsburgh Rebels and Brooklyn Tip-Tops.He earned the nickname \"Mysterious\" after pitching under a pseudonym for the San Francisco Seals of the Pacific Coast League in 1910."@en . "1884Z"^^ . "Walker, Mysterious"@en . . . "1958-02-01Z"^^ . "1884-03-21Z"^^ . . "Mysterious Walker"@en .