Royals recalled RHP Kelvin Herrera from Triple-A Omaha.
Royals optioned RHP Kelvin Herrera to Triple-A Omaha.
Kelvin Herrera allowed four runs, including three solo home runs, to the Braves on Tuesday.
Kelvin Herrera earned his second save of the season in closing out the Royals' 3-0 win over the Twins on Wednesday.
Kelvin Herrera earned his first save of the season Sunday in the Royals' defeat of the Phillies.
Kelvin Herrera was a bit shaky in the ninth inning on Thursday, allowing a single and a walk before battling back to preserve a 2-1 victory over the Tigers.
Kelvin Herrera has a 2.59 ERA, 1.12 WHIP and 62/13 K/BB ratio through 66 innings this season.
In his major league debut on Wednesday, Kelvin Herrera surrendered three runs on two hits over one inning.
Royals purchased the contract of RHP Kelvin Herrera from Triple-A Omaha.