The Kansas City Royals have signed right-handed pitcher Chin-Hui Tsao to a 2008 minor league contract with an invitation to Major League Spring Training in Surprise, Ariz. Chin-Hui Tsao, 26, a native of Hualien, Taiwan, has spent parts of four seasons in the Majors with the Colorado Rockies (2003-05) and Los Angeles Dodgers (2007), recording a 4-4 record with a 5.40 ERA in 50 games, including eight starts. He was originally signed by the Rockies as a non-drafted free agent on Oct. 7, 1999.