 | John Thomas Keefe was an American left-handed pitcher in Major League Baseball who played for... more » |
| John Francis Kiely is former Major League Baseball pitcher. Kiely played for the Detroit Tigers... more » |
| John F. Kirby, was a Major League Baseball pitcher. He played all or part of five seasons in the... more » |
 | John Vincent Koronka is a former left-handed baseball pitcher. more » |
| John A. Kull was a Major League Baseball pitcher. Kull played for the Philadelphia Athletics in... more » |
.jpg/300px-John_Lackey_on_July_17,_2016_(3).jpg "John Lackey") | John Derran Lackey is an American professional baseball starting pitcher for the St. Louis... more » |
_(cropped).jpg/300px-John_Lamb_(13771783185)_(cropped).jpg "John Lamb") | John Andrew Lamb is a former Major League Baseball pitcher. He pitched in all or part of three... more » |
 | John Edward Lannan is an American professional baseball pitcher in the New York Mets... more » |
 | Henry John LaRose is a former pitcher in Major League Baseball who played briefly for the Boston... more » |
| John William Leister is a former starting pitcher in Major League Baseball who played for the... more » |
| John Michael LeRoy is a former Major League Baseball pitcher. He played one game with the... more » |
 | John Andrew Littlefield is a former Major League Baseball pitcher. He pitched two seasons in the... more » |
| John Lovett was a professional baseball player who played pitcher in the Major Leagues in 1903... more » |
| John Michael Lyston was an American professional baseball player who played in one game for the... more » |
| John Joseph Mackinson was an American Major League Baseball pitcher. He played for the... more » |
 | John Kevin Maine is an American professional baseball pitcher who is currently a free agent. He... more » |
 | John S. Malarkey was a 19th-century Major League Baseball pitcher. He played from for the... more » |
| John Robert Martin is a former Major League Baseball pitcher. Martin attended Eastern Michigan... more » |
| James John McCloskey was a Major League Baseball pitcher. He pitched parts of two seasons, 1906... more » |
| John Joseph McDonald, born John Joseph Mc Donnell, was a pitcher in Major League Baseball. He... more » |
| John Joseph McGillen was an American professional baseball pitcher. He appeared in two games in... more » |
| John McGraw was a Federal League pitcher. McGraw played for the Brooklyn Tip-Tops in the 1914... more » |
.png/229px-John_McMakin_(Clemson_College_Annual_1907).png "John McMakin") | John Weaver McMakin, nicknamed "Spartanburg John", was an American left-handed pitcher. McMakin... more » |
| John Jacob McPherson was an American Major League Baseball pitcher. He played for the... more » |
| John Michael Lamb is a baseball player. more » |
