Since 2003, the winner of the All Star Game (National League or American League) has enjoyed home field advantage in the World Series. Last night, the American League won the All Star Game. So, the American League Championship team will have home field advantage in this year’s World Series. But how much of an advantage is it? Use the table below to determine the percentage of the time that the home field team has won the World Series since 2003. You may be surprised.
| Year | All Star Winner | World Series Winner |
| 2014 | American League | National League |
| 2013 | American League | American League |
| 2012 | National League | National League |
| 2011 | National League | National League |
| 2010 | National League | National League |
| 2009 | American League | American League |
| 2008 | American League | National League |
| 2007 | American League | American League |
| 2006 | American League | National League |
| 2005 | American League | American League |
| 2004 | American League | American League |
| 2003 | American League | National League |