The former Scotland assistant manager, 61, takes up a post at Ewood Park after leaving Bolton at the end of last season.
Knox told the club´s official website: "It is another great opportunity to work not only in the Premier League but for a manager I have known for many years."
Copyright (c) PA Sport 2008, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: http://gms.to/writeforgms