Royals beat White Sox on walk-off balk
Royals rally with 4 runs in the eighth to beat the Guardians 6-4 - The San Diego Union-Tribune
Perez hits 43rd homer as Royals rally past Athletics, 10-7 - Seattle Sports
Royals' Jackson Kowar: No walks was most encouraging part
Royals option pitcher Jackson Kowar to the minor leagues
Kopech gives up 1 hit over 8 innings, White Sox beat Royals 2-0
Blue Jays hold off Royals for three-game sweep
Omaha Storm Chasers pitcher Jackson Kowar gets his chance to start for Royals
Miguel Cabrera's 511th home run lifts Tigers, who sweep Royals 8-0 and 7-3 - ABC News
Kopech gives up 1 hit over 8 innings, White Sox beat Royals 2-0 - MLB