In 1917, Ruether signed with the Chicago Cubs. He made his Major League debut in April of that year. After he had appeared in 10 games for the Cubs, the Cincinnati Reds selected Ruether off waivers on July 17, 1917. After finishing the 1917 season, Ruether enlisted in the
United States Army due to the break out of World War I. He reported to
Camp Lewis. In 1919, Ruether rejoined the Reds. He won nineteen games that season and the Reds made the
1919 World Series. Though Cincinnati won the series, it has become infamous for the
Black Sox Scandal. Ruether spent the 1920 season with the Reds. On December 15 of that year, the Reds traded Ruether to the Brooklyn Robins in exchange for
Rube Marquard. He spent the next four seasons as a pitcher for the Robins. During the 1924 season, Ruether suffered from arm problems. After an apparent dispute with
Charles Ebbets, the Robins owner, the Washington Senators purchased Ruether from the Robins. Ruether spent the next year and a half with the Senators before the team traded him to the New York Yankees on August 27, 1926 While with the Senators, Ruether appeared in the
1925 World Series. Although he was a pitcher, Ruether did not pitch in the series. Instead, he was used as a
pinch hitter and recorded one
at-bat. For his career, Ruether was a good hitting pitcher with a .258
batting average and 250 career
hits. The Yankees earned a spot in the
1926 World Series against the
St. Louis Cardinals, and Ruether pitched in game three. The game did not go well for Ruether. The Cardinals won 4–0. In 1927, Ruether played for his third consecutive pennant winning team. However, Ruether did not appear in the
1927 World Series. The 1927 season was his last in the Major Leagues. Ruether recorded 137
wins and 95
losses, for a .591
winning percentage. Ruether holds the National League record for most innings pitched in a season opening game. On opening day 1923, he pitched 14-innings for the Robins. == Post major league career ==