A hallmark of the last competitive Royals teams was a lockdown bullpen. Who can forget the brief but remarkable dominance of HDH, the three-headed bullpen monster of Kelvin Herrera, Wade Davis, and Greg Holland that made any lead after the sixth inning feel comfortable? The Royals even got quality relief innings from less-heralded pitchers like Ryan Madson, Aaron Crow, Jason Frasor, and Franklin Morales. It makes sense that the best bullpens in Kansas City history by fWAR are, in order: 2012, 2013, 2014, 2016, and 2015.