Trey Hillman
On May 13, 2010, Yost was named manager of the Kansas City Royals, replacing Trey Hillman. Prior to the 2012 season, the Royals signed Yost to a contract extension through the 2013 season. In the 2013 season, Yost posted an 86-76 record with the Royals, their first winning season since 2003.