Drew Stubbs of the Indians opened the game by crashing left-hander Noel Arguelles' 3-2 pitch far over the left-field bullpen. A rookie left-hander making his first start, Arguelles finished his two innings with no further damage.
"He gave up the leadoff homer, then settled down quite nicely," Royals manager Ned Yost said.
The Royals came back in their half of the first against right-hander Corey Kluber as Alex Gordon doubled, stole third and scored on David Lough's sacrifice fly. They added two runs in the second, both on throwing errors by the Indians, for a 3-1 lead.
"Corey was scheduled to go four, so he went the two and he went and threw two simulated in the tunnels, so he got up to 65 pitches," Indians manager Terry Francona said. "Under the circumstances, it was the best we could do."
The Royals stole three bases, two by Jarrod Dyson, against Kluber.
"They were running on him a little, but today was a little bit of a teaching day, and it didn't look like we were totally ready to play," Francona said. "Sometimes in Spring Training you don't want to see your team play like that, but it helps you drive home some points."
Facing lefty Ryan Verdugo in the third, the Indians scored as Stubbs doubled, stole third and came home on Ben Francisco's sacrifice fly. With Yan Gomes at the plate, a downpour prompted the umpires to stop the game.
Stubbs' double and homer came in his only two at-bats of the game.
"That was nice to see. The ball really jumped off his bat. If anything good today happened, it was worth coming over here to see him take those two swings, because those were beautiful," Francona said.
Royals up next: The Royals will take on the Giants for the second time of this Cactus League season Saturday at 2:05 p.m. CT at Scottsdale Stadium. Last Saturday, the Royals defeated a Giants split squad, 9-5, for the eighth victory in what became an 11-game winning streak. With right-hander Wade Davis scratched because of slight shoulder soreness, the Royals will turn to right-handed prospect Yordano Ventura. The Giants' starter will be Yusmeiro Petit.