After finding it difficult to break into the Rams side during last season, Conor Sammon has been loaned out to Sheffield United.
Sammon 28 has stuggled to find any type of form after his move from Wigan Athletic in 2012 for a sum of £1.2m.
The Dubliner and Republic of Ireland International (9 caps) has been out on loan during his spell with the club, helping out fellow Championship side Ipswich Town and Rotherham United last season.