Commons, scorer of the Hoops’ goal, said: “I’d like to apologise for my reaction last night, something that should never be shown publicly on the field.
“I was very frustrated at how the night had gone. However, I did not handle this in the right way. My frustration at losing games and my desire to win will never change.
“I know we are all part of a team at Celtic and I am proud to be part of this team. I want this team to win and I am sure we can come together, work hard and get the results needed to qualify from this group.
“I still have every confidence we can do this and in a fortnight we have the chance to make amends. That’s the motivation now for us all.”