That feels like a good place to end.

Remember, you can keep up to date with Celtic, Rangers and Aberdeen on our dedicated pages.

And you can see our match reports and more reaction below:

• FT: Celtic 2-1 Sturm Graz - Improved Celtic fight back for first Europa League win
• FT: Brann 3-0 Rangers - Rangers bottom of Europa League table after Rohl's first game
• FT: AEK Athens 6-0 Aberdeen - Record European defeat for Thelin's side in Conference League
• 'Red flags for Rohl as Rangers routed in first game'
• Tavernier 'raging' at 'disgraceful' Rangers defeat
• Why Thelin can't cover up 'embarrassing' Aberdeen loss

We'll be back over the weekend with coverage of the most fascinating weekend of the Scottish Premiership season so far.

Perhaps an all-timer line from Celtic boss Brendan Rodgers: "So tonight we weren't quite the Ferrari, but a Range Rover Sport.

"Sometimes with players you have to be harsh to be clear. And you hope that you get that reaction. These players know that I'm with them always.

"I spend my life dedicated to making this team better, to helping the club progress. And at the weekend it wasn't good enough."

Image source, Getty Images

Celtic manager Brendan Rodgers: "I said before the game to the players, we've really got to show leadership now. In my experience, when those types of players are under pressure, they progress.

"And you could see from the weekend coming into this game - the progress in the team was so good, individually and collectively. And when you have a setback, like the weekend, those leaders show the motivation to go again, and we saw that tonight.

"So happy for the likes of Benji [Nygren]. He's playing out of position, showed courage to keep going, he eventually gets his goal

"Arne Engels I thought was outstanding in the game. Coming back in, gave us that energy and that fight. And his set-piece quality really is world class."

Image source, SNS

James McFadden
Former Scotland forward on BBC Sportsound

Kenny kept making the moves. It wasn't desperate moves he was making - it was good ones. He was holding his position, waiting to see where the ball was coming. It's unfortunate he hasn't ended up on the scoresheet.

But for Celtic it was about getting the win. I think when Celtic moved the ball quicker it caused Graz problems, stopped them from getting any kind of control in the game, and it was a better performance in the second half for Celtic.

Umpteen chances each for Nygren and Kenny. You have to give the goalkeeper credit.

Ultimately, for Celtic, it's back to winning ways, back on the goal trail, and chances created. That has got to be the most pleasing factor.

Celtic manager Brendan Rodgers: "I thought the performance was outstanding. As disappointed as we were at the weekend with the performance, I thought that was a really good level.

"Obviously we picked up the injuries early on, but the two young guys who came in did really well.

"We had everything you want in the team - the tempo, the speed, the energy - everything was there against a good side."

Johan Mjallby
Former Celtic defender on TNT Sports

The character Celtic showed was really impressive. They could have easily caved in given the atmosphere around the club, the early injuries in the match, and going a goal down early.

But they never panicked and kept on going.

With all the chances they created it was Liam Scales who popped up and showed them how to score a goal.

Image source, SNS

"We'll see what he's like when he comes in [tomorrow] morning," Brendan Rodgers says regarding Cameron Carter-Vickers, who limped off after full-time.

Rodgers said he hoped to take the defender off earlier, but he couldn't because he ran out of substitutes.

You can hear Celtic boss Brendan Rodgers giving his reaction at his post-match presser live on Sportsound right now.

We'll have quotes here ASAP.

Celtic’s xG total of 4.24 was the highest of any side in a Europa League game this season and the Scottish side’s highest total in a major European competition match on record (since 2013-14).

Billy Dodds
Former Rangers striker on BBC Sportsound

At half-time, Rangers had been beaten 3-0, Aberdeen beaten 6-0, Celtic were 1-0 down. We needed something. And Celtic found a way to turn it round.

Image source, SNS

Speaking to TNT Sports, Celtic boss Brendan Rodgers says the injuries to Alistair Johnston and Kelechi Iheanacho "do not look great".

On his team's display, he adds: "It's much more like what we would want. For whatever reason we haven't been at the level.

"As disappointing as we were on Sunday, tonight was the total opposite. The football was so good."

Johan Mjallby
Former Celtic defender on TNT Sports

[The win] is great confidence wise and it gives the supporters a real lift.

I believe they can compete with the best, they haven't shown it so far in the competition.

I'm really happy for Arne Engels especially, it was great to see him back and playing really well.

They [Celtic] created so many chances tonight but need to start putting them away.

Billy Dodds
Former Rangers striker on BBC Sportsound

I think it's more about the performance for Celtic. Especially after the defeat at the weekend where they never showed much. They had to show tonight.

They kept going. Nygren kept going, Johnny Kenny kept going, and eventually they got their rewards.

Celtic created numerous chances in the second half. And could have scored more.

Kenny had a couple of chances, and he kept going back for more. He's a good striker.

Next up for Rangers is a league visit from Kilmarnock on Sunday.

That match will be Danny Rohl's Ibrox introduction.

Image source, SNS

Rangers head coach Danny Rohl: "I think we have high standards, and we should have high standards at Rangers.

"I think this is very important to understand, I think for me it was clear that everything could be right, but of course we are very disappointed.

"We have to say the opponent was better, they deserved the win, they were more aggressive, they won more second balls.

"And I think today I saw a lot of where we are at the moment, what the reality is, but also it was very clear we have not so much time to change something, but I want to see again a step forward on Sunday and it means we have to win this game.

"I think there are reasons why we didn't win so many games in the past, I think you saw this today again.

"My job is to find a solution as soon as possible with this group, I think I saw a lot about individual performances, but more and more as well how we act as a group, and these are the things we have to improve."

On going over to the fans at full-time, he adds: "Yeah, I think at first I apologised for this defeat and this performance, they travel a lot for the team, they are always there, this club has a lot of passionate fans and they deserve this [apology].

"And it was very important for me to show that I understand them, but I said to them as well, I'm working very hard to improve this group of players, to step up and get results."

That win means Celtic are now 21st in the 36-team Europa League table.

That doesn't sound too great, but that would be enough to progress to the knockout stage.

Rangers, meanwhile, are bottom. Let's see what their new boss Danny Rohl had to say after a sobering defeat to Brann...

Celtic have won after conceding the opening goal in the Europa League for the first time since 7 November 2019 against Lazio (seven games without a win).

Image source, SNS

He might be the only option, Patrick.

Martin Dowden
BBC Sport Scotland at Celtic Park

At one stage you wondered if Celtic were set to stumble once again.

To their immense credit, they overcame key injuries and the concession of that stunning opener to deliver a performance littered with chances.

They stuck at it, got there and really ought to have scored more.

Injury concerns will now have to be addressed ahead of the monumental league match against Hearts in Edinburgh, but they'll go there in a far better frame of mind after this.