Manager Mike Matheny announced that top pitching prospect Jackson Kowar will be promoted to Kansas City and will start Monday against the Los Angele Angels. Jakob Junis will be optioned to Triple-Omaha. The Royals will have to make a 40-man roster move to add Kowar.
Kowar had dominated at Omaha with a minuscule ERA of 0.85 with 41 strikeouts and 10 walks in 31 2/3 innings and a 5-0 record in six starts. He last started on Wednesday, June 2, throwing five scoreless innings, allowing just one hit, and going 70 pitches. He was named Triple-A East pitcher of the month for May.