| Teams | Pitcher | Years |
| Brooklyn Superbas, Baltimore Orioles, New York Giants | |
| Boston Beaneaters, Pittsburg Pirates | |
| Pittsburg Pirates | |
| Philadelphia Athletics, St. Louis Terriers* | |
| St. Louis Cardinals, Chicago Cubs | |
| St. Louis Browns, New York Yankees | |
| Boston Beaneaters, Philadelphia Phillies | |
| Chicago Cubs, Cincinnati Reds | |
| Philadelphia Phillies, Chicago Cubs, St. Louis Cardinals | |
| Pittsburgh Pirate, Chicago Chi-feds*, Chicago Cubs | |
| Philadelphia Phillies, Cincinnati Reds | |
| Boston Red Sox, New York Yankees, Cincinnati Reds | |
| Cincinnati Reds, New York Giants | |
| Cleveland Indians, Washington Senators | |
| Brooklyn Robins, Pittsburgh Pirates | |
| Boston Red Sox, New York Yankees | |
| Philadelphia Athletics, Boston Red Sox | |
| t. Louis Browns, Washington Senators | |
| Cleveland Indians, Boston Red Sox | |
| St. Louis Browns, Detroit Tigers | |
| | Teams | Pitcher | Years |
| Cleveland Indians, Chicago White Sox | |
| Los Angeles Angels, Minnesota Twins | |
| San Francisco Giants, San Diego Padres | |
| Minnesota Twins, Chicago White Sox | |
| Chicago Cubs, Texas Rangers | |
| Cleveland Indians, Boston Red Sox | |
| Los Angeles Dodgers, California Angels | |
| St. Louis Cardinals, Philadephia Phillies | |
| Oakland Athletics, New York Yankees | |
| California Angels, Los Angeles Dodgers | |
| New York Mets, Minnesota Twins | |
| Los Angeles Dodgers, New York Yankees | |
| Detroit Tigers, Toronto Blue Jays | |
| Boston Red Sox, Toronto Blue Jays, New York Yankees | |
| Minnesota Twins, New York Mets | |
| New York Mets, New York Yankees | |
| Chicago Cubs, Atlanta Braves | |
| Seattle Mariners, Arizona Diamondbacks | |
| Arizona Diamondbacks | |
| Toronto Blue Jays, Philadelphia Phillies | |
| Had 20-Win Seasons for 3 Teams. Unfortunately, only one of those teams came after 1900. | |
| Never played baseball. Good try, though. | |
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