Children's Mercy Park is a soccer-specific stadium in Kansas City, Kansas, United States, and is the team home for Sporting Kansas City of Major League Soccer (MLS). The stadium is located near Kansas Speedway, on the far west side of Wyandotte County, Kansas. It opened during the 2011 MLS season on June 9, 2011, with a match against the Chicago Fire. The stadium has a seating capacity of 18,467, which can expand to 25,000 for concerts. Wikipedia