The big news ahead of kick-off in Paisley was confirmation that Matt O’Riley’s departure from Celtic is imminent as the midfielder undergoes a medical in Brighton.

Paulo Bernardo replaced the Danish international in Celtic’s line-up and while the former Benfica player is expected to replace some of O’Riley’s goals, it was the two established midfield stars who led the way for the visitors.

Callum McGregor fired a left-footed shot into the bottom corner in the third minute, taking advantage of the slippery surface. Celtic remained calm.

Reo Hatate scored a second goal with a beautiful direct shot after Daizen Maeda had been brought down, and there could have been more in what was a great first half.

Brendan Rodgers’ side put St Mirren under pressure, forcing errors in danger areas and confidently passing the ball around on the smooth Paisley pitch.

Celtic continued to dominate after the break and their third goal was fully deserved.

Nicolas Kuhn – who again put in a strong performance as a substitute – broke into the St Mirren penalty area and laid the ball off for Alistair Johnston, who fired high over Balcombe’s desperate dive.

There are tougher tests ahead, but Rodgers’ performance in midfield will have been particularly encouraging.

Hatate in particular shone, using clever movement to get into dangerous positions and creating five scoring opportunities in addition to his goal. If he stays fit, he can step in in O’Riley’s absence.

Next up, Celtic face Rangers at home in the first Old Firm clash of the season next Sunday.