Frederick Mitchell Walker (March 21, 1884 – 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. He also served as a college basketball, baseball and football coach at numerous colleges and universities, including Utah State University, University of Mississippi, Oregon State University, Carnegie Tech, Washington & Jefferson College, Williams College, Dartmouth College, Michigan State University, DePauw University, Loyola University New Orleans, University of Texas, and Wheaton College. Early years Walker was born in 1884 in Utica, Nebraska. He later moved during his youth to the Hyde Park section of Chicago. Athlete at University of Chicago He attended the University of Chicago where he played football, baseball and basketball. He played at the halfback position for Amos Alonzo Stagg's Chicago Maroons football teams from 1904 to 1906. As a freshman in October 1904, Walker suffered a concussion during a practice session when he collided with another player. The injury initially appeared not to be serious, but later that night Walker became "temporarily deranged" and, during his "delerium" he believed he was playing a football game against Northwestern that was scheduled for the following week. He was a member of the 1905 Chicago Maroons football team that defeated Michigan by a score of 2–0 ending a 56-game unbeaten streak for Fielding H. Yost's "Point-a-Minute" teams. Walker played a strong first half in the 1905 win over Michigan, but was forced to leave the game at the start of the second half due to a knee injury. In November 1906, the Chicago Daily Tribune wrote: "Fred Walker is playing his third year on the maroon team and is considered to be one of the best all round players in the country. Last year in the backfield, he is being used at end this season." Walker was also one of the most dependable pitchers for the Maroons' baseball teams for three years, also coached by Amos Alonzo Stagg, and won one varsity letter in basketball. In one season, he pitched in every baseball game except two for the University of Chicago. Coaching career and