In spells, Ange Postecoglou was relatively pleased with the performance and football on show from his side in defeat away to RB Leipzig in the UEFA Champions League group stage.

However, after getting back into the game with a second-half equaliser from Jota, the manager was disappointed that his side failed to capitalise and ended up falling to a 3-1 loss.

Speaking to Celtic TV after the game in Germany, he said: “Disappointed, I thought in the first-half we were well in the game.

“In that period we created some good chances, they hit us on the counter-attack which we were unlucky with because Callum hurt himself quite badly and then he was the one to try and put the challenge in.

“Aside from that, we hung in there and created good chances ourselves. We scored and then we gave them a second goal which at this level you can’t do.

'As we keep saying at this level they don’t give you allowances and I’m disappointed we couldn’t come away with more than we did.'

“We shouldn’t be giving a second goal away as we did but I felt it was creeping in before that, we were getting negative with our passing and going back to Joe Hart under no pressure and we can’t have that sort of mindset, we need to be more positive.

"Our general play was good, we were creating good opportunities and our press was good. We were really aggressive and credit to the players, they took on an aggressive approach.

“At this level, there are fine margins between success and failure and we fell on the wrong line of it again.”

Another disappointing factor in the evening’s work was an injury that forced Callum McGregor off in the first-half.

While the manager doesn’t know the full extent of McGregor’s situation yet, the focus now shifts to making sure the team get back to winning ways away to St Johnstone on Saturday.

He added: “That’s a big blow, we don’t know the extent of it but obviously he’s a very big player for us and we could have done with his leadership in the second-half.

“We’ve got to make sure we recover well. It’s not about our football, I thought our football was good tonight against a good Champions League level opponent, we’ve got to make sure our mentality is stronger at this level and we need to do that by getting back to business on Saturday.”

Manager: Fine margins at this level and we fell on the wrong side against RB Leipzig