The 2009 Kansas City Royals season was the 41st season for the franchise, and their 39th at Kauffman Stadium. The season began on April 7 with a game against the Chicago White Sox at U. S. Cellular Field, which Chicago won. On April 10, the Royals hosted the New York Yankees in the first game at the newly renovated Kauffman Stadium for the Royals' home opener. Interleague opponents included the St. Louis Cardinals, Arizona Diamondbacks, Cincinnati Reds, Houston Astros and Pittsburgh Pirates.