English Premier League side Newcastle United were reportedly 'in the stands' to watch Nicolas Kuhn against Bayern Munich last night.
The German winger looked to have given Celtic a shock lead less than a minute in, although his powerful strike from range was eventually ruled out because Adam Idah was adjudged to have been in an offside position and blocking Manuel Neuer's sight.
Kuhn eventually came off for Yang Hyun-jun with 13 minutes to go but wasn't short of admirers within Parkhead.
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Indeed, Newcastle had scouts watching the 25-year-old, and not for the first time this season, claims MailSport.
It is said that Eddie Howe's side intends to sign a right-winger this summer, although they know that it would take an offer of over £20m to make Celtic part ways with the attacker.
The man signed from Rapid Vienna just over a year ago has been in fine fettle this campaign, netting 17 goals and assisting a further 12 across 35 appearances in all competitions.
Kuhn thought he added another to his tally last night in front of Newcastle scouts, only to be denied by the offside flag.