| eam name | Principal owner(s) | Most recent purchase price | Year |
| a href="/encyclopedia/Anaheim-Angels" title="Anaheim Angels">Anaheim Angels | Arturo Moreno | $180+ million | 2003 |
| a href="/encyclopedia/Arizona-Diamondbacks" title="Arizona Diamondbacks">Arizona Diamondbacks | Jerry Colangelo | $130 million | 1995 |
| a href="/encyclopedia/Atlanta-Braves" title="Atlanta Braves">Atlanta Braves | Time Warner | $173 million | 1993 |
| a href="/encyclopedia/Baltimore-Orioles" title="Baltimore Orioles">Baltimore Orioles | Peter Angelos | | |
| a href="/encyclopedia/Boston-Red-Sox" title="Boston Red Sox">Boston Red Sox | John Henry | |2002 |
| a href="/encyclopedia/Chicago-Cubs" title="Chicago Cubs">Chicago Cubs | Tribune Company | | |
| a href="/encyclopedia/Chicago-White-Sox" title="Chicago White Sox">Chicago White Sox | Jerry Reinsdorf | | |
| a href="/encyclopedia/Cincinnati-Reds" title="Cincinnati Reds">Cincinnati Reds | Carl Lindner | | |
| a href="/encyclopedia/Cleveland-Indians" title="Cleveland Indians">Cleveland Indians | Larry Dolan | $320 million | 1999 |
| a href="/encyclopedia/Colorado-Rockies" title="Colorado Rockies">Colorado Rockies | Jerry McNorris | $95 million | 1991 |
| a href="/encyclopedia/Detroit-Tigers" title="Detroit Tigers">Detroit Tigers | Michael Ilitch | $82 million | 1992 |
| a href="/encyclopedia/Florida-Marlins" title="Florida Marlins">Florida Marlins | Jeffrey Loria | |2002 |
| a href="/encyclopedia/Houston-Astros" title="Houston Astros">Houston Astros | Drayton McLane, Jr. | $102.7 million | 1992 |
| a href="/encyclopedia/Kansas-City-Royals" title="Kansas City Royals">Kansas City Royals | David Glass | $96 million | 2000 |
| a href="/encyclopedia/Los-Angeles-Dodgers" title="Los Angeles Dodgers">Los Angeles Dodgers | Frank McCourt | |2004 |
| a href="/encyclopedia/Milwaukee-Brewers" title="Milwaukee Brewers">Milwaukee Brewers | Mark Attanasio | $180 million | 2005 |
| a href="/encyclopedia/Minnesota-Twins" title="Minnesota Twins">Minnesota Twins | Carl Pohlad | | |
| a href="/encyclopedia/New-York-Mets" title="New York Mets">New York Mets | Fred Wilpon | | |
| a href="/encyclopedia/New-York-Yankees" title="New York Yankees">New York Yankees | George Steinbrenner | $10 million | 1973 |
| a href="/encyclopedia/Oakland-Athletics" title="Oakland Athletics">Oakland Athletics | Lewis Wolff | $180 million | 2005 |
| a href="/encyclopedia/Philadelphia-Phillies" title="Philadelphia Phillies">Philadelphia Phillies | David Montgomery | | |
| a href="/encyclopedia/Pittsburgh-Pirates" title="Pittsburgh Pirates">Pittsburgh Pirates | Kevin McClatchy | $90 million | 1996 |
| a href="/encyclopedia/St.-Louis-Cardinals" title="St. Louis Cardinals">St. Louis Cardinals | William O. DeWitt, Jr. | $150 million (including Busch Stadium) | |
| a href="/encyclopedia/San-Diego-Padres" title="San Diego Padres">San Diego Padres | John Moores | | |
| a href="/encyclopedia/San-Francisco-Giants" title="San Francisco Giants">San Francisco Giants | Peter Magowan | $100 million | 1992 |
| a href="/encyclopedia/Seattle-Mariners" title="Seattle Mariners">Seattle Mariners | Hiroshi Yamauchi | $106 million | 1992 |
| a href="/encyclopedia/Tampa-Bay-Devil-Rays" title="Tampa Bay Devil Rays">Tampa Bay Devil Rays | Vincent Naimoli | $130 million | |
| a href="/encyclopedia/Texas-Rangers" title="Texas Rangers">Texas Rangers | Thomas O. Hicks | $250 million | 1998 |
| a href="/encyclopedia/Toronto-Blue-Jays" title="Toronto Blue Jays">Toronto Blue Jays | Rogers Communications | $112 million | 2000 |
| a href="/encyclopedia/Washington-Nationals" title="Washington Nationals">Washington Nationals | Major League Baseball | $120 million | 2002 |