The 2012 Major League Baseball All-Star Game was the 83rd edition of the Major League Baseball All-Star Game. It was held on July 10, 2012, during the 2012 Major League Baseball season at Kauffman Stadium in Kansas City, Missouri, home of the Kansas City Royals. This marked the third time the Mid-summer Classic had been played in Kansas City, with Kauffman Stadium (then named Royals Stadium) last hosting the event in 1973, the stadium's first year of existence. The event was also held at Municipal Stadium in 1960, when the Athletics were still based there, one of two played that season. The game was televised in the United States by Fox.

The National League shutout the American League for the sixth time in All-Star Game history. It was the third-largest margin of victory for any Mid-summer Classic. The TV ratings fell even further than the 2011 edition, earning a 6.8 rating and 12 share on Fox. The total number of viewers who watched any portion of the game was up 7 percent from the previous year, however, with 27.7 million total viewers.

Kauffman Stadium underwent a US $250 million renovation, funded by a 0.375% sales tax increase by the residents of Jackson County, Missouri for the Harry S. Truman Sports Complex, which also houses Arrowhead Stadium, the home of the Kansas City Chiefs. The referendum passed in an election on April 4, 2006. As a result of the deal, Major League Baseball commissioner Bud Selig promised the area that the team would host a future All-Star Game no later than 2014. On June 16, 2010, Selig officially awarded the rights to host the game to Kansas City for the 2012 season.

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