Jakob Junis ran his scoreless streak to 14 innings, and the Royals offense pumped out five extra-base hits, on their way to a 7-5 win over Toronto.
The Royals have won three straight and four of five to take over first place in the AL Central.
Junis (1-0) was charged with two runs on five hits and a walk while pitching into the sixth.
Royals LHP Mike Minor (1-0, 4.50) on Friday night.
Royals SS Adalberto Mondesi has ramped up his movement but there remains no timetable for his return, Mike Matheny said. Mondesi has been on the injured list with a strained right oblique since the start of the season.