"They're getting better," Royals general manager Dayton Moore said. "You can see it."
And it's not just those four.
"And you got [infielders] Ramon Torres and Humberto Arteaga," Yost said. "Don't forget [outfielder Alfredo] Escalera on the back end of that. He's having a great camp."
Dozier, a first-round pick in the 2013 Draft, is hitting .500 (6-for-12) with a double, triple and homer. He has played third base, right field and first base so far.
"We just want him to have options," Yost said of Dozier. "Get him comfortable at third, first and the outfield.