Manchester United have locked horns with Werder Bremen over Nathan Collins.
The Stoke City teenager is a wanted man after showing glimpses of his immense potential last season.
A 6ft 5in centre-back, Collins caught the eye of both United and Bremen in three first-team appearances.
The Sun says Bundesliga club Bremen have enquired about the Irishman.
Florian Kohfeldt's side are hoping to loan Collins with a view for a permanent deal.
Collins still has two years to run on his contract with the Potters.
