O'Grady, who joined from Leicster for £65,000 a season and a half ago and netted 15 goals in 55 games, passed his medical and penned a two-year deal with the Latics yesterday. The Millers are already actively seeking a replacement.
Talks with a frontman are said to be ongoing, whilst Mark Robins awaits a decision from out of contract Mansfield striker Michael Boulding, as we reported yesterday.