Kauffman Stadium, often called "The K", is a baseball stadium located in Kansas City, Missouri. It is the home ballpark of Major League Baseball's Kansas City Royals. It is next door to Arrowhead Stadium, home of National Football League's Kansas City Chiefs. Both make up the Truman Sports Complex. The stadium is named for Ewing Kauffman, the founder and first owner of the Royals. It opened in 1973 as Royals Stadium and was named for Kauffman twenty years later on July 2, 1993. Since its last major renovation in 2009, the listed seating capacity is 37,903.