St. Louis Cardinals. It's a done deal.
John tudor
12-4 with a 2.40 ERA.
John Brock debuted on August 10, 1917, playing for the St. Louis Cardinals at Robison Field; he played his final game on September 2, 1918, playing for the St. Louis Cardinals at Robison Field.
John Raleigh debuted on August 4, 1909, playing for the St. Louis Cardinals at Robison Field; he played his final game on July 12, 1910, playing for the St. Louis Cardinals at Robison Field.
John Lovett debuted on May 22, 1903, playing for the St. Louis Cardinals at Robison Field; he played his final game on May 26, 1903, playing for the St. Louis Cardinals at Robison Field.
John Mercer debuted on June 25, 1912, playing for the St. Louis Cardinals at Robison Field; he played his final game on June 25, 1912, playing for the St. Louis Cardinals at Robison Field.
The St Louis Cardinals have a pitcher named John Gant. See https://en.wikipedia.org/wiki/John_Gant
John Andrews debuted on April 8, 1973, playing for the St. Louis Cardinals at Busch Stadium II; he played his final game on September 19, 1973, playing for the St. Louis Cardinals at Busch Stadium II.
John Rodriguez debuted on July 18, 2005, playing for the St. Louis Cardinals at Busch Stadium II; he played his final game on October 1, 2006, playing for the St. Louis Cardinals at Busch Stadium III.
John Nelson debuted on September 7, 2006, playing for the St. Louis Cardinals at Busch Stadium III; he played his final game on October 1, 2006, playing for the St. Louis Cardinals at Busch Stadium III.
John Fulgham debuted on June 19, 1979, playing for the St. Louis Cardinals at Busch Stadium II; he played his final game on August 27, 1980, playing for the St. Louis Cardinals at Busch Stadium II.