Derby County have reportedly had a second bid rejected by Dundee United for striker Johnny Russell.
According to BBC Sport, the Rams offered close to £700,000 for the 23-year-old after having an initial bid of £625,000 turned down.
Russell, who scored 20 goals in 2012-13, is out of contract at the end of next season.
Other clubs who have been linked with a move are Huddersfield Town, Sheffield United and Italian side Catania.