 | Harry Vernon Mercer was a Major League Baseball pitcher who played for the 1910 Pittsburgh... more » |
| John Robert "Jack" Meyer is a former professional baseball player. He was a right-handed pitcher... more » |
| John Scott "Jack" Morris is an American former Major League Baseball starting pitcher, and... more » |
| Herman John Nabors, was a professional baseball player who played pitcher in the Major Leagues... more » |
| John Henry Neagle, was a professional baseball pitcher in the major leagues from 1879-1884. He... more » |
| Jacob Leland Niemes was a professional baseball player. He was a left-handed pitcher for one... more » |
| Jack William O'Connor is a former Major League Baseball pitcher. He played all or part of six... more » |
| John Mahlon Ogden, was a Major League Baseball pitcher. He played five seasons in the majors,... more » |
 | John Albert Pfiester, is a former professional baseball player who pitched in the Major Leagues... more » |
| John Stephen "Jack" Phillips was a pitcher in Major League Baseball. He pitched in one game in... more » |
![](https://upload.wikimedia.org/wikipedia/commons/thumb/a/a5/John_J._"Jack"_Powell,_St._Louis_AL_(baseball)_LCCN2014719449.jpg/194px-John_J._"Jack"_Powell,_St._Louis_AL_(baseball)_LCCN2014719449.jpg "Jack Powell") | Reginald Bertrand "Jack" Powell was a Major League Baseball pitcher who played for the St. Louis... more » |
| John Joseph Powell was a Major League Baseball pitcher around the turn of the 19th and 20th... more » |
 | John Picus "Jack" Quinn, born Joannes Pajkos, was a pitcher in Major League Baseball. Quinn... more » |
| Harrie Crane "Jack" Reis was a pitcher in Major League Baseball. He played for the St. Louis... more » |
| John William Richardson was a Major League Baseball pitcher who played in 1915 and 1916 with the... more » |
| Jacob Augustus "Jack" Ridgway was a Major League Baseball pitcher who played for the Baltimore... more » |
| John Edward Robinson was an American professional baseball player, a right-handed pitcher whose... more » |
| John Albert Rowan was a Major League Baseball pitcher. He pitched all or part of seven seasons... more » |
| Jack Erwin Russell was a Major League Baseball player from 1926 to 1940 for the Boston Red Sox,... more » |
| Jack Ryan was a pitcher in Major League Baseball. He pitched from 1908-1911. He was involved in... more » |
| John Theodore Salveson was a Major League Baseball pitcher who played for five seasons. He... more » |
| John Stanley Sanford was an American right-handed starting pitcher in Major League Baseball, and... more » |
 | John Joseph "Jack" Savage is a former Major League Baseball pitcher who played for the Los... more » |
![](https://upload.wikimedia.org/wikipedia/commons/thumb/9/9b/John_G._"Jack"_Scheible.jpg/233px-John_G._"Jack"_Scheible.jpg "Jack Scheible") | John G. Scheible pitched for two different teams over two seasons. He made his debut in 1893... more » |
| John William Scott was a professional baseball player who played pitcher in the Major Leagues... more » |
