Anderson, a first-round pick in the 2011 Draft, likely sets up as the Rockies' No. 2 or 3 starter. He threw 29 pitches, 19 for strikes, and struck out three.
"I definitely had a better idea of where the ball was going to go when the ball left my hand," Anderson said. "As opposed to last time when it left my hand and I was like, 'Ooh, I'm not sure where that's going to be.'"
Meanwhile, right-hander Chris Young and left-hander Travis Wood, battling with Nathan Karns for the Royals' No.