Peter Schmeichel was spotted by TV cameras watching over the first team being put through their paces ahead of tomorrow night's Scottish Premiership match with Falkirk.
The Manchester United legend's son, Kasper, is of course the No.1 for the Hoops.
Other than paying a visit to Glasgow to see his boy, it remains unclear why the Danish legend was present by the side of the pitch this morning.
🧤 Peter Schmeichel is watching Celtic training at Lennoxtown ⤵️ pic.twitter.com/IvAWQHcWRY
— Sky Sports Scotland (@ScotlandSky) January 13, 2026
Martin O'Neill's side are in action on Wednesday night when they make the short journey up to Falkirk.
Kasper Schmeichel had a loan spell with the Bairns during the budding stages of his career.
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The footage of Schmeichel senior was shared by Sky Sports.
And while there were no other new faces around, in terms of signings, Hoops fans will be pleased to know that Auston Trusty was involved in the training session after suggestions he took a knock towards the end of the weekend win over Dundee United.