With the exception of the 1993 season where he was mostly used as a Middle Reliever, Mark Gubicza was a Starting Pitcher for the Royals for thirteen seasons.  Over that time Gubicza was used either as the team ace, the number five starter, and all spots in between which was enough for him to accrue 133 wins as a Royal.

Frank White was a member of the Kansas City Royals for all eighteen of his Major League seasons, and the Royals faithful were happy that he was there for the duration.

During the first half of the 1980s, Dan Quisenberry was the best closer in the American League, and if you don’t believe that it should be believed that he was the best known.