Royals Kelvin Herrera probably dealing with 'lack of confidence'

Royals manager Ned Yost talked about the relievers who have stepped up in the midst of Kelvin Herrera's struggles after an 8-5 loss to the Twins at Kauffman Stadium on Friday, Sept. 8, 2017.
Royals manager Ned Yost talked about the relievers who have stepped up in the midst of Kelvin Herrera's struggles after an 8-5 loss to the Twins at Kauffman Stadium on Friday, Sept. 8, 2017.

Royals reliever Joakim Soria could return from disabled list on Monday

September 09, 2017 05:57 PM