Sean Longstaff is stalling on new contract talks with Newcastle United.
The Daily Mail says Newcastle are eager to see their prized asset sign a new contract at the club but report talks are 'at an impasse' with Manchester United still monitoring his situation.
Should the Tyneside club fail to agree new terms, Longstaff could yet move to Old Trafford.
United boss Ole Gunnar Solskjaer wants to sign a new midfielder after allowing Ander Herrera to join Paris-Saint Germain on a free transfer over the summer without a replacement.
