Gerrard's decision to name debutant Ryan Kent in the starting line-up just days after he joined the club on loan from Liverpool was an inspired one.
The 21-year-old was lively and creative from the off, belying the lack of time he had had to develop an understanding with his new team-mates.
He might have scored the opening goal as he jinked infield off the left flank, but his effort was deflected wide.
Nonetheless, from the resultant short corner Rangers did move in front. Kent and Jamie Murphy combined cleverly, the ball was shuttled back to James Tavernier and the captain's cross was flicked past goalkeeper Marko Malenica from close range by Morelos.
Ryan Kent and Ejaria both started along with Jon Flanagan as Gerrards lads won their third qualifying game with their third clean sheet.
I think it could be really good for us having him there. Our youth can go play there and gain first team experience.