Joseph Harrison Conzelman
- Bats Right, Throws Right
- Height 6' 0", Weight 170 lb.
- School Brown University
- Debut May 1, 1913
- Final Game August 15, 1915
- Born July 14, 1889 in Bristol, CT USA
- Died April 17, 1979 in Mountain Brook, AL USA
Joe Conzelman pitched three seasons for the Pittsburgh Pirates, winning 6 games and getting 2 saves.
Joe made his major league debut in May of 1913, and in three games that season gave up only 2 earned runs in 13 innings. Most of his time that year, however, was spent with the Atlanta Crackers, with whom he went 11-4.
He was apparently up the entire season with the Pirates in 1914, appearing in 33 games and posting a 2.94 ERA (the league ERA was 2.78). The next season, [^1915 Pirates|1915]] he had 18 games in the majors and also 10 games with the Indianapolis Indians, for whom he had a 2.04 ERA.
There was also a Joe Conzelman who played for Harvard University in the 1950s. Presumably Joe's son, he was named Joseph Harrison Conzelman, Jr., and was a resident of Mountain Brook, AL, a suburb of Birmingham, where the senior Conzelman later died. The son, in addition to being a three-sport athlete at Harvard, was chairman of Southeast Materials Corporation.