Murphy has agreed personal terms with the midlands club and will sign a three-and-a-half-year contract with a two-year option, subject to him passing a medical tomorrow.
Birmingham manager Alex McLeish had one bid turned down for Murphy but now the two clubs have reached agreement to sell the player.
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: https://www.givemesport.com/writeforgms