Danny Farquhar is "progressing well" after undergoing surgery on Saturday to address a brain aneurysm.

According to a statement issued by the Chicago White Sox, Farquhar has use of his extremities, is able to respond to questions and commands and also speak to doctors and to his family. He remains in critical but "neurologically stable" condition.

"We are just very happy that he's trending in the right direction," Rick Renteria said. "To know that he's able to move and speak, to know that his family is there, he knows everybody cares for him. We are going in the right direction and very guardedly optimistic about the outcome."

Farquhar collapsed in the dugout after coming off the mound during the sixth inning of Friday's home game against the Houston Astros.