The 2006 World Baseball Classic (WBC) was the inaugural tournament between national baseball teams that included players from Major League Baseball. It was held from March 3 to 20 in stadiums in or around Tokyo, Japan and the American cities of San Juan, Puerto Rico; Lake Buena Vista, Florida; Phoenix, Arizona; Scottsdale, Arizona; Anaheim, California; and San Diego, California.

The United States national baseball team, also known as Team USA represents the United States in international-level baseball competitions. The team is currently ranked 2nd in the world by the World Baseball Softball Confederation. The United States has won many international tournaments, many of which are now discontinued. Most notably the team won the Olympic baseball tournament in 2000, and the World Baseball Classic (WBC) in 2017.