Royals reliever Kelvin Herrera has been dominant in the postseason.
Royals reliever Kelvin Herrera has been dominant in the postseason. John Sleezer jsleezer@kcstar.com
Royals reliever Kelvin Herrera has been dominant in the postseason. John Sleezer jsleezer@kcstar.com

Royals’ Kelvin Herrera finding success in October after mastering new pitch

October 18, 2015 09:42 PM