Otto Knabe debuted on October 3, 1905, playing for the Pittsburgh Pirates at Exposition Park; he played his final game on September 25, 1916, playing for the Chicago Cubs at Wrigley Field.
Otto Knabe played in 5 games at outfield for the Philadelphia Phillies in 1907, starting in none of them. He made 8 putouts, had 2 assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had one double play.
Otto Knabe played in 3 games at third base for the Pittsburgh Pirates in 1905, starting in none of them. He made 2 putouts, had 9 assists, and committed 3 errors, equivalent to 1 errors per game (estimate based on total games played in). He had one double play.
Otto Bluege debuted on April 12, 1932 and played his final game on October 1, 1933.
Otto Denning debuted on April 15, 1942 and played his final game on June 4, 1943.
NBA player Otto Porter Jr. played for Georgetown.
Otto Bluege debuted on April 12, 1932, playing for the at ; he played his final game on October 1, 1933, playing for the Cincinnati Reds at Crosley Field.
Otto Huber debuted on June 10, 1939, playing for the Boston Bees at Braves Field; he played his final game on July 20, 1939, playing for the Boston Bees at Braves Field.
Otto Krueger debuted on September 16, 1899, playing for the Cleveland Spiders at League Park I; he played his final game on September 22, 1905, playing for the Philadelphia Phillies at Baker Bowl.
Dave Otto debuted on September 8, 1987, playing for the Oakland Athletics at Oakland Coliseum; he played his final game on August 10, 1994, playing for the Chicago Cubs at Wrigley Field.
Otto Rettig debuted on July 19, 1922, playing for the Philadelphia Athletics at Shibe Park; he played his final game on August 5, 1922, playing for the Philadelphia Athletics at Shibe Park.
Otto Vogel debuted on June 5, 1923, playing for the Chicago Cubs at Wrigley Field; he played his final game on September 29, 1924, playing for the Chicago Cubs at Wrigley Field.
Otto Miller debuted on July 16, 1910, playing for the Brooklyn Superbas at Washington Park III; he played his final game on September 24, 1922, playing for the Brooklyn Robins at Ebbets Field.