Viduka told BBC Radio Leeds: "Eddie Gray has put a lot of energy into the side.
"He's a winner and there's nobody that loves this club more than he does.
"He's as good as anybody else in the game as a coach."
Gray Outlook For Mark
Viduka told BBC Radio Leeds: "Eddie Gray has put a lot of energy into the side.
"He's a winner and there's nobody that loves this club more than he does.
"He's as good as anybody else in the game as a coach."