"He's ready," Yost said. "It's not like he hasn't been catching. He's full go. He could catch all nine if he needed to."
Perez suffered the knee injury in a collision at home plate with Drew Butera on March 11 while playing for Venezuela in the World Baseball Classic. Butera was playing for Team Italy.
Yost also said shortstop Alcides Escobar, who played for Venezuela in the Classic, was expected back in Royals camp late Monday or Tuesday.
"I don't plan on playing him until after the off-day Thursday," Yost said. "He'll play Friday. Just wanted to give him a little bit of a break."
Royals super-utility infielder Whit Merrifield, an alum of South Carolina, was understandably pumped about South Carolina advancing to the Sweet Sixteen of the NCAA Tournament.
Merrifield has South Carolina advancing to the Final Four in a few of his brackets.
"If they can just score a little, they're dangerous because of how well they play defense," he said. "I looked it up, and they were averaging about 61 points a game during the season. In two games they're averaging 90 points a game in the tourney."
Jeffrey Flanagan has covered the Royals since 1991, and for MLB.com since 2015. Follow him on Twitter @FlannyMLB. This story was not subject to the approval of Major League Baseball or its clubs.