Baseball – NCAA:
Baseball – MLB:
| City | Mascot | Conference |
| Arizona | Diamondbacks | National |
| Atlanta | Braves | National |
| Baltimore | Orioles | Atlantic |
| Boston | Red Sox | Atlantic |
| Chicago | White Sox | Atlantic |
| Chicago | Cubs | National |
| Cincinnati | Reds | National |
| Cleveland | Guardians | Atlantic |
| Colorado | Rockies | National |
| Detroit | Tigers | Atlantic |
| Houston | Astros | Atlantic |
| Kansas City | Royals | Atlantic |
| Los Angeles | Angels | Atlantic |
| Los Angeles | Dodgers | National |
| Miami | Marlins | National |
| Milwaukee | Brewers | National |
| Minnesota | Twins | Atlantic |
| New York | Mets | National |
| New York | Yankees | Atlantic |
| Oakland | Athletics | Atlantic |
| Philadelphia | Phillies | National |
| Pittsburgh | Pirates | National |
| San Diego | Padres | National |
| San Francisco | Giants | National |
| Seattle | Mariners | Atlantic |
| St Louis | Cardinals | National |
| Tampa Bay | Rays | Atlantic |
| Texas | Rangers | Atlantic |
| Toronto | Blue Jays | Atlantic |
| Washington | Nationals | National |
For famous current and past players of these teams, check out the Baseball Famous Names to Know
