Kylian Mbappé and Mo Salah miss penalties, Cameron Carter-Vickers scores a shocking own goal for Celtic, and Pep Guardiola apologises for an ill-advised joke.
Here are five quick hits from another day of Champions League contests.
1. No-look disaster for Celtic
Celtic defender Cameron Carter-Vickers threw his hands in the air before his own goal crossed the line to give Club Brugge the lead in their Champions League clash.
The US international played a no-look pass back from just outside the six-yard box toward his own net where he thought goalkeeper Kasper Schmeichel would be.
Schmeichel had played a pass out to defender Alistair Johnson, who found Nicolas-Gerrit Kühn steaming back onto the ball. Schmeichel slid out to the right as Kühn played the ball to Carter-Vickers, who turned and rolled a ball towards the now-vacant goal.
The ball rolled slowly into the bottom corner of the goal as the veteran Denmark goalkeeper raced helplessly across his line, narrowly avoiding crashing into the goal post.
The unforced error by Carter-Vickers gifted Club Brugge a 26th-minute lead at Celtic Park, but Daizen Maeda saved Carter-Vickers's blushes with a 60th-minute equaliser as the game ended in a 1-1 draw.
2. Mbappé and Mo miss out
Things could have gone so differently for Real Madrid in its clash with Liverpool at Anfield if not for a brilliant save by goalkeeper Caoimhín Kelleher from a Kylian Mbappé penalty.
After Alexis Mac Allister opened the scoring for the Reds, Mbappé let slip a chance to level the scores with a 61st-minute penalty, but Kelleher made a brilliant save, diving to his left and deflecting the ball clear.
In evidence that lightning can strike twice, gun forward Mo Salah also missed out from the penalty spot 9 minutes later, slicing his shot wide left as Thibaut Courtois dove the wrong way.
Cody Gakpo eventually made up for Salah's miss, as Liverpool remained perfect with five wins from five games while the Spanish giants have just two wins.
3. PSV's stunning comeback
PSV Eindhoven pulled off a miraculous comeback against Shakhtar Donetsk, scoring three times in the last eight minutes of the match to win 3-2.
The Dutch champions looked set for their second loss from their first five games after Danylo Sikan and Oleksandr Zubkov gave Shakhtar a 2-0 first-half lead.
PSV peppered the Ukrainian side's goal with 18 shots on target in the match, compared to just three from Shakhtar, but did not break through until after Pedro Henrique was sent off for a dangerous challenge on Johan Bakayoko in the 69th minute.
The one-man advantage allowed PSV to pile on the pressure and eventually broke through when Malik Tillman's free kick squeezed in at the near post as goalkeeper Dmytro Riznyk failed to hold on to the ball.
Riznyk had been one of the side's heroes up to then, dealing with everything the Dutch threw his way, but he had no chance when Tillman cued up a long-range effort on the stroke of full-time.
The panic-stricken visitors then allowed PSV to slide in the winner as Ricardo Pepi finished off a series of passes across the face of goal, with an effort that went in off the post, to the delirious delight of the home support.
4. Guardiola apologises for 'self harm' joke
Manchester City manager Pep Guardiola said he did not intend to make light of the "very serious issue of self harm" with a joke he made after his side's 3-3 draw with Feyenoord at Etihad Stadium.
Guardiola was asked in the post-match press conference how he got a cut on his nose, and he replied: "With my finger, my nail. I want to harm myself."
The 53-year-old took to social media a day later to explain his answer.
"I was caught off guard with a question at the end of a press conference last night about a scratch which had appeared on my face and explained that a sharp fingernail had accidentally caused this," he posted on X.
"My answer was in no way intended to make light of the very serious issue of self harm."
5. French fans stabbed before Bologna game
French club Lille said two of its supporters were stabbed when a group of fans were attacked in a bar ahead of its 2-1 win at Bologna.
Lille issued a statement on social media condemning "this cowardly and intolerable attack", which it said happened the day before the game.
"During the ambush, which is believed to have involved around 80 assailants, two of our supporters sustained stab wounds, among other injuries, and were given medical treatment," Lille said.
Lille said Italian police have reinforced the protection of its fans ahead of the game.
"However, LOSC calls on its supporters in Bologna to be extremely vigilant, to ensure that the trip takes place in safe conditions," the club said.
