CALL-UPS: September 16-22

September 22

Kelvin Herrera (RHP, KC)
Upon conclusion of the Triple-A championship, the Royals recalled the 21-year-old. Herrera was converted to a reliever in '11 and was exceptional on three levels. He was selected for the Futures Game and was among the most unheralded prospects in the game. He consistently shows outstanding control and deception. Only 5'11" 175 pounds, Herrera creates above average sinking action on his 90-96 mph fastball. He is a groundballer who can get hitters to swing and miss at his power slider. In addition to his fastball/slider combination, he possesses a solid-average changeup that keeps hitters off-guard. Herrera may lack typical size to be a closer, but he has the tenacity and pitch mix to pitch in...

Almost!

You’re just a few clicks away from accessing this feature and hundreds more throughout the year that have a singular goal in mind: Winning your league. Subscribe to BaseballHQ.com here!

Already a subscriber? Sign in here

More From Callups

Callups for August 17: Brett Callahan (DET)
Aug 16 2026 3:01am
Callups for August 10: Jack Weisenburger (RHP, NYM)
Aug 10 2026 3:01am
Callups for August 3: Bryce Conley (RHP, NYM).
Aug 3 2026 3:01am
Callups for July 25: Brian Keller (RHP, PHI), Shawn Ross (C, PIT)
Jul 25 2026 3:01am
Callups for July 20: No call-ups
Jul 19 2026 3:01am

Tools