John McGinn spoke highly of Celtic goalkeeper Viljami Sinisalo as he moved to Parkhead last summer.
That's according to the Scotland midfielder's brother, Stephen.
Sinisalo is reportedly 'set' to make his Scottish Premiership debut for Celtic this weekend after number-one stopper Kasper Schmeichel sustained an injury while on international duty with Denmark.
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It remains to be seen when the veteran will be fit to feature once again, with Sinisalo likely to face Heart of Midlothian on Saturday.
McGinn said (Go Radio): "He was performing well before the Euros at Hampden Park for Finland.
"I know from when he signed for Celtic, John (McGinn) spoke highly about his attributes but that he probably wasn’t quite ready to be a Celtic goalkeeper.
"It might work, in terms of Kasper Schmeichel. I think he will play one more season, and the timing of it might work.
"But the bit is for Celtic; it’s that game at Ibrox, and it’s the Scottish Cup. If you are Aberdeen or Hearts, then you are looking for any sort of weakness. It’s easy to say it’s Celtic’s treble. You still have to go and do it."
The 23-year-old has only featured once before for Celtic, in a 5-0 victory over Raith Rovers in the Scottish Cup at the beginning of last month.
He will look to make it back-to-back clean sheets when Neil Critchley's men make the trip across the M8 this weekend.
