The plans for the 2013 World Baseball Classic are starting to come together as Major League Baseball announced the three United States host cities on Wednesday afternoon. The big winner is San Francisco's AT&T Park which will play host to the tournament semifinals and championship round next March. The second-round games will be played at Miami's Marlins Park while first-round games will be played at Chase Field and Salt River Fields in Arizona. This is the second big headline for the 2013 tournament, following last month's announcement that Joe Torre will manage the U.S. team . A couple of thoughts on the news: