HITC Sport understands Sunderland and Oxford are chasing Sheffield United winger Ricky Holmes.
The Sheffield United manager is said to be Sunderland's number one boss target.
Holmes left Charlton Athletic to join Sheffield United on Monday.
When Ricky Holmes joins Sheffield United from Charlton will that signal a change of tactics?
Sheffield United and Leeds United were both reportedly interested in giving Charlton Athletic winger Ricky Holmes his chance in the Championship this season.
Championship side Sheffield United were rebuffed in their attempts to bring Ricky Holmes to Brammal Lane by League One Charlton Athletic in the summer.
Holmes played under Sheffield United boss Chris Wilder before his move to Charlton Athletic.
Sheffield United met Charlton's asking price for Ricky Holmes, only for them to raise it at the last minute.
Sheffield United target Ricky Holmes has signed a new contract with Charlton so now they should rekindle their interest in Celtic's Gary Mackay-Steven.
While Leeds United have been chasing unknown imports, Ricky Holmes has agreed a new contract at Charlton Athletic.