I guess this would be a good first post: ALW Los Angeles Angels Oakland Athletics Seattle Mariners X (Comiskey) Texas Rangers X (Ballpark in Arlington, Fenway) ALC Chicago White Sox X (Comiskey) Cleveland Indians X (Jacobs Field) Detroit Tigers X (Jacobs Field, Comerica Park, Kaufman) Kansas City Royals X (Kaufman Stadium) Minnesota Twins ALE Baltimore Orioles X (SBC in SF, first time the two teams ever met) Boston Red Sox X (Fenway, Arlington) New York Yankees Tampa Bay Rays Toronto Blue Jays NLW Arizona Diamondbacks W (as well as Cinergy) Colorado Rockies X (Coors Field) Los Angeles Dodgers W (first baseball game of my life) San Diego Padres W (and in San Diego) San Francisco Giants X (AT&T Park, Coors Field, Cinergy) NLC Chicago Cubs WX (Wrigley, new Busch Stadium, final opening day of Cinergy) Cincinnati Reds X (Cinergy and Great America) Houston Astros X (Great America) Milwaukee Brewers X (Miller Park) Pittsburgh Pirates WX (PNC as well) St. Louis Cardinals X (Busch Stadium old and new) NLE Atlanta Braves X (Dolphins Stadium) Florida Marlins X (Dolphins Stadium) New York Mets Philadelphia Phillies X (Busch Stadium and Washington Nationals And for the heck of it... Montreal Expos X (PNC Park and Miller Park) I think I've been to a total of 21 baseball stadiums, but some of those were on stadium tours.