Is Kelvin Herrera Still Getting Better?

Kelvin Herrera is the longest tenured healthy member of the Royals bullpen. But is he still getting better?

As the Royals enter Spring Training, Kings of Kauffman will release a series of articles on the 25-man roster. We will be going through each individual player, including the locks, bubble players, and a few prospects. We will progress through the roster from the top down, continuing with the bullpen.

So far, we have looked at Yordano Ventura, Edinson Volquez, Ian Kennedy, Chris Young, Danny Duffy, Kris Medlen, Mike Minor, Luke Hochevar, Brian Flynn, and Scott Alexander

Today, we will be looking at Kelvin Herrera.

All statistics provided by Fangraphs, Baseball Reference, and Brooks Baseball

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