Borussia Dortmund did not so much announce their return to the UEFA Champions League as scream it from the rooftops with a thumping victory away to Legia Warszawa on Wednesday, a success Bayer 04 Leverkusen and Borussia Mönchengladbach were unable to replicate in their fixtures.
Recap the day's action as it unfolded below...
Tuesday, 13 September
Wednesday, 14 September
Wednesday, 14 September
23:38 - Good night!
Phew, what a breathless evening of football that was! There were goals galore - not all at the right end from a Bundesliga perspective - but it was a gripping night nonetheless. Thanks very much for joining us and until next time, auf Wiedersehen!
23:14 - Reaction
Legia 0-6 Dortmund
Mario Götze: "I think we played well. There was room for improvement after our game at the weekend, where we weren't clinical enough. Today we wanted to get off to a good start in the Champions League and we managed to do that. We can be very happy with a 6-0 win away from home."
Thomas Tuchel (head coach): "It couldn't have gone any better for us. We probably wouldn't even have dared to wish for a start as good as this. We were very focused, dominant and played with a high tempo at the start. We were really good in the first half hour."
Julian Weigl (Tweet below): "Great start in the Champions League. Happy to have made my first appearance in the competition!"
Leverkusen 2-2 CSKA
Manchester City 4-0 Borussia Mönchengladbach
A mixed bag of results for the Bundesliga contingent. Dortmund were absolutely imperious in Poland on their return to the competition, while Leverkusen will be disappointed to have let their two-goal lead slip at home to CSKA. Gladbach's defeat in Manchester is the latest disappointment for the club, following a loss to SC Freiburg on Bundesliga Matchday 2, and their extra day in England after their match was postponed yesterday.
90'+1 - GOAL! Manchester City 4-0 Gladbach
The hosts compound a frustrating night for Gladbach as Kelechi Iheanacho fires in from close range after being set up by former FC Schalke 04 attacker Leroy Sane.
87' – GOAL! Legia Warszawa 0-6 Dortmund
It just wouldn't be a proper win without Aubameyang on the scoresheet would it? The Gabon international seals Legia's worst ever home defeat in European football. How about that for a return to Europe's top club competition?
77' - GOAL! Manchester City 3-0 Gladbach
City's Aguero completes his hat-trick after latching onto Raheem Sterling's through ball, rounding Yann Sommer and tapping into an empty net.
76' – GOAL! Legia Warszawa 0-5 Dortmund
Substitute Gonzalo Castro gets in on the act too! Emre Mor drives forward and feeds Pulisic, whose first-time cross allows Castro an easy finish with his first touch of the game.
71'- Leverkusen 2-2 CSKA
Kevin Volland has the ball in the net for Leverkusen, but his effort is ruled out as Mehmedi was in an offside position. Joel Pohjanpalo, who scored a hat-trick at the weekend, came on at half-time for Javier 'Chicharito' Hernandez and is looking for more supersub heroics today.
63' - Manchester City 2-0 Gladbach
The Foals are holding their own this half but are still finding it tough to get a sight of goal.
51' – GOAL! Legia Warszawa 0-4 Dortmund
What a performance this is from Dortmund! Pierre-Emerick Aubameyang goes on a rampaging run and feeds the ball to Dembele, whose shot is blocked - only for the rebound to fall to Guerreiro, who coolly sweeps it home with his left foot.
The action has restarted again across Europe.
Time for a breather! The goals flew in during that half, albeit with mixed results for the Bundesliga representatives...
38'- GOAL! Leverkusen 2-2 CSKA
Oh no! Leverkusen, shell-shocked from conceding just moments ago, have let their two-goal lead slip as Roman Eremenko fires CSKA level.
36'- GOAL! Leverkusen 2-1 CSKA
Alan Dzagoev pulls a goal back for the visitors.
28' – GOAL! Manchester City 2-0 Gladbach
Christoph Kramer brings down former Dortmund midfielder Ilkay Gündogan just inside the penalty area, and Aguero steps up to slot home the ensuing spot-kick.
17' – GOAL! Legia Warszawa 0-3 Dortmund
BVB are cruising! There's a scramble in the Legia box following a free-kick, with the ball eventually popping out to Marc Bartra, who taps in from close range to score his first goal for the club!
15' – GOAL! Legia Warszawa 0-2 Dortmund
Dortmund's early pressure is proving too much for the hosts as defender Sokratis is left all alone to power a header into the bottom corner from a Raphael Guerreiro free-kick.
15' – GOAL! Leverkusen 2-0 CSKA
An absolutely cracking goal from Hakan Calhanoglu. The ball sits up nicely for the Turkey international on the edge of the area and he unleashes an unstoppable left-footed shot into the top corner.
9' – GOAL! Leverkusen 1-0 CSKA
A brilliant pass from Benjamin Henrichs slices through the visitors' defence, finding Admir Mehmedi inside the penalty area. The forward controls the ball with neat touch and makes no mistake with just the keeper to beat.
9' – GOAL! Manchester City 1-0 Borussia Mönchengladbach
Gladbach fall behind early on as the hosts break through down the left, with Sergio Aguero tapping in at the near post from close range.
7' - GOAL! Legia Warszawa 0-1 Borussia Dortmund
BVB get off to a fine start. Ousmane Dembele whips in a teasing cross from the left and Mario Götze arrives with textbook striker's header low across the Legia keeper.
Here we go with a triple-header of Bundesliga representatives in action in the Champions League!
19:46 - Line-ups!
Here's how the Bundesliga sides will be starting tonight's games. Andre Schürrle will be missing for Dortmund due to a minor injury.
Legia Warszawa vs Dortmund
Manchester City vs Gladbach
Leverkusen vs CSKA Moskva
18:16 - The sun shining on Borussia?
Not only is the weather in Manchester markedly better than yesterday, but the Foals could also find fate smiling on them this evening...
17:44 -Successful surgery for Bellarabi
And here's more good news, Leverkusen fans: midfielder Karim Bellarabi has been successfully operated on following the thigh injury he sustained against Hamburg on Matchday 2. He will still miss the rest of the year, but his recovery begins now. Get well soon, Karim!
"The next piece of good news: Karim Bellarabi has come through his operation and is crossing his fingers for the Werkself!"
16:15 - Bayer U19s get the job done
Leverkusen's U19s got off to a winning start in the UEFA Youth League and the senior side will be hoping to emulate or improve upon the result when they take on PFC CSKA Moskva.
15:50 - Whoopsie daisy!
Well spotted Gladbach! You got to imagine Manchester City would be a little aggrieved if they were mistaken for their city rivals.
15:05 - Relaxed mood in the Leverkusen camp
Hopefully Kevin Kampl and Hakan Calhanoglu will be wearing something more match appropriate later tonight. Although if they get hit by the rain the way Borussia Mönchengladbach did last night, bath robes may serve them well.
14:45 - Leverkusen are ready!
It seems like Bayer 04 Leverkusen are looking forward to getting back on the big stage.
13:55 - City vs Gladbach, take 2!
Thankfully there's sunshine over Manchester today, meaning Gladbach's game at Man City tonight should be able to go ahead. Here are the players in training:
13:33 - Oktoberfest time!
All of a sudden it's that time of year again and we're now just three days away from the start of Oktoberfest 2017. Munich will be awash with dirndl- and lederhosen-clad revellers between 17 September and 3 October, and FC Bayern will, as is their tradition, be taking part. Here they are at their pre-festival media shoot for club sponsor and brewery, Paulaner.
13:09 - Auba remembers
Pierre-Emerick Aubameyang has fond memories of his last season in the Champions League (in 2014/15), when Dortmund reached the last 16. Here he is reminiscing on former glories with team-mate Adrian Ramos.
12:49 - Bartra fired up
Dortmund defender Marc Bartra twice lifted the Champions League with Barcelona and obviously cannot wait for tonight's game to begin.
12:25 - Fortress Allianz
Today's coverage may be more focused on the three games this evening, but one stat arising from Bayern's win over Rostov is worth mentioning at any time, and that is that the Reds have now won their last 13 home games in the UEFA Champions League. Their last home reverse was in April 2014 against Real Madrid, and they have now beaten the previous record of 12 set by Manchester United between 2006 and 2008.
12:16 - Fun in the sun
Over in Warsaw, the day has begun with beaming sunshine as Dortmund's undergo their final preparations for tonight's game at Legia. Can they take the great leap forward?
12:00 - Fantastic gesture for Gladbach's travelling fans
The Gladbach fans' thunder clap with the team on a drenched pitch in Manchester was one of the standout moments from last night. In light of the postponement, Gladbach have confirmed that the travelling supporters will be reimbursed for their tickets irrespective of whether they make it to the rescheduled game tonight.
11:50 - Looking good in Manchester
Sky Germany commentator Wolff Fuss has sent out an early weather report from Manchester. Fingers crossed it holds up this time...
Update on the weather: Sunny and windy, but that's how yesterday started as well...
11:41 - False alarm for Hummels
Some quick news to bring you on the state of Mats Hummels. The Germany international was withdrawn on Tuesday night with what looked like a serious head injury, but he's tweeted this morning that it was just a scratch.
11:30 - Birthday boys
A Bundesliga legend and one aspiring to attain legendary status celebrate their birthday today!
11:00 - Guten Morgen, one and all!
It's a case of so far, so good for the Bundesliga sides at Europe's top table after FC Bayern München set the precedent with a resounding victory over FC Rostov. Tonight, Borussia Dortmund, Bayer 04 Leverkusen and Borussia Mönchengladbach - whose game was delayed on account of a torrential English downpour - will hope to emulate the German record titleholders result tonight. Three games with Bundesliga involvement, what a treat! Stay here for all the build-up.
Tuesday: the best bits
23:21 - Reaction
There was a sense of a job well done in the Bayern camp after the final whistle...
Full time! Bayern 5-0 Rostov
So a comfortable win for Bayern in a match that will be remembered for Joshua Kimmich's heroics. The youngster really appears to be coming of age now, having scored his first international and Bundesliga goals in the last few days. And anyone who can steal the headlines from Robert Lewandowski must be something special!
20:29 - Gladbach match postponed
18:56 - Dortmund bullish
"We're favourites here and want to win," said Dortmund defender Lukasz Piszczek at BVB's pre-match press conference. Click here for our full match preview.
18:35 - Bad news for Leverkusen
Leverkusen winger Karim Bellarabi has been ruled out of action until 2017 after sustaining an injury on Matchday 2. The club confirmed he will undergo an operation on his adductor muscle in Basel, Switzerland, tomorrow and then began his rehabilitation. Get well soon!
17:50 - Götze excited
Mario Götze played 71 minutes of Dortmund's defeat to Leipzig last Saturday. Will he be able to unlock the Legia Warszawa defence on Wednesday?