Royals pitching prospect Kyle Zimmer was lifted from an appearance at Triple-A Omaha on Thursday due to right shoulder soreness.
Royals optioned RHP Kyle Zimmer to Double-A Northwest Arkansas; reassigned RHPs Josh Staumont, and Luke Farrell, LHPs Jonathan Dziedzic and Eric Skoglund, Cs Chase Vallot and Xavier Fernandez, OF Alfredo Escalera, and INF Corey Toups to minor league camp.
Kyle Zimmer was touched up for three runs -- two earned -- over two innings Sunday in his Cactus League debut against the Rangers.
Royals prospect right-hander Kyle Zimmer (thoracic outlet syndrome) expects to be "good to go" for spring training.
Royals prospect right-hander Kyle Zimmer (thoracic outlet syndrome) recently completed a four-week throwing program.
Royals prospect right-hander Kyle Zimmer will undergo surgery for thoracic outlet syndrome.
Kyle Zimmer (shoulder) is day-to-day in the Royals' minor league system.
Royals pitching prospect Kyle Zimmer (shoulder) has made two appearances for High-A Wilmington.
Royals pitching prospect Kyle Zimmer (arm) will throw one inning in an extended spring training game on Friday.
Kyle Zimmer is hanging back at extended spring training after developing some arm fatigue.
Royals optioned RHPs Kyle Zimmer and Miguel Almonte and OFs Brett Eibner and Jose Martinez to Triple-A Omaha.
Kyle Zimmer allowed one run across three innings in Monday's loss to the Athletics.
Kyle Zimmer delivered two scoreless innings Wednesday in the Royals' Cactus League exhibition against the Rangers.
Royals assistant general manager JJ Picollo said on MLB Network Radio on Wednesday that the club believes prospect right-hander Kyle Zimmer will play a role in their rotation in 2016.