Career
He debuted in 1915 with the Philadelphia Athletics as a shortstop, but was converted to pitcher in 1916. He played parts of 1916, 1917 and 1919 for the Athletics, then spent the next nine years out of the major leagues. Seibold resurfaced in 1929 with the Boston Braves.
Foreign four seasons, he was a regular in the Braves" rotation, and in 1930 set his career high in innings pitched with 250, wins with 15 and strikeouts with 70.
His last season came with the Braves in 1933. A corporal with the United States Army during World War I, Seibold was buried at the Beverly National Cemetery in Beverly, New Jersey.
