| Team | Park | Location | League | Opening Day |
| Los Angeles Dodgers | Dodger Stadium - renovations | Los Angeles, CA | National League West (MLB) | 2012 |
| Florida Marlins | new stadium Updated! | Miami, FL | National League East (MLB) | 2012 |
| Boston Red Sox | new spring training park Updated! | Lee County, FL | Grapefruit League | unknown |
| Washington DC Area Ballparks | ||||
| Potomac Nationals | unknown | Loudoun, VA | Carolina League | unknown |
| TBA | Kincora | Loudoun, VA | Atlantic League | 2011 |