Walter Merrill "Pop" Williams (May 19, 1874 – August 4, 1959) was a professional baseball pitcher whose playing career spanned nine seasons, including three in Major League Baseball. He was born in Bowdoinham, Maine on May 19, 1874. Williams batted right-handed and threw left-handed. Over his major league career, Williams compiled a win-loss record of 16–25 with a 3.17 earned run average (ERA), 41 complete games, two shutouts and 132 strikeouts in 47 games, all starts. He was also the coach of the Bowdoin College baseball team during the spring of 1903. During his time in the majors and the minor leagues, Williams occasionally played outfield and first base. In the majors, Williams played for the Washington Senators (1898), Chicago Cubs (1902–1903), Philadelphia Phillies (1903) and the Bos