Otto Henry Barthold(June 1, 1884-October 18, 1959) was a semi-pro baseball pitcher from Minnesota who was very well-known for his baseball play and was very close to reaching the Major Leagues. His son-in-law, Glenn Hadley, was also a semi-pro players and his grandson Kent Hadley reached the Major League level for three years(1958-1960), playing with the Kansas City Athletics and New York Yankees. Kent's best Major League friends were Roger Maris and Mickey Mantle. He played with Maris in all three years of his career and Mantle for his final year. Kent would then go on to become a star in Japan. Barthold would play pick-up games and semi-pro baseball well into his 40s. He passed away in 1959 in Pocatello, Idaho.