The Chicago White Sox fired executive vice president Ken Williams and general manager Rick Hahn, effective immediately, the team announced on Tuesday with a news release and social media post.

"Ultimately, the well-worn cliche that professional sports is results-oriented is correct," owner Jerry Reinsdorf said in a statement. "While we have enjoyed successes as an organization and were optimistic heading into the competitive window of this rebuild, this year has proven to be very disappointing for us all on many levels.