Borussia Dortmund took a step towards the Champions League quarter-finals thanks to a 63rd minute goal from Karim Adeyemi against Chelsea.
The winner came through a blistering counter attack led by Raphael Guerriero who released Adeyemi, who ensured the win with a brilliant run and finish.
Chelsea will have some consolation though in that there is only a one goal deficit when the Bundesliga side travel to Stamford Bridge for the second leg.
However, it is the latest setback for Graham Potter's side who are struggling domestically.
Here, Sportsmail's ADRIAN KAJUMBA takes a look at some of the things you may have missed from the Signal Iduna Park.
Zola gives Chelsea fans something to smile about
Gianfranco Zola’s hopes of a quiet, early match-day flight to Germany looked in serious danger when he was spotted boarding the plane by some understandably excited Chelsea fans.
Ever the gentleman, Zola was more than happy to oblige those who wanted a word or a photo and he was, in fairness given his status, generally left in peace.
One of Chelsea’s all-time greats had a fitting seat on the plane – A1 – with a free one handily next to him for selfie-hunters. Meanwhile, the sight of him amid Chelsea’s current issues prompted almost inevitable quips about whether the little magician had packed a pair of boots.
Handy five-a-side team
Speaking of Zola, he could have featured in a pretty handy five-a-side team of former stars in attendance for last night’s game.
Former Borussia Dortmund goalkeeper Roman Wiedenfeller was working the corporate areas while striker Karl-Heinz Riedle passed through on his way to punditry duty.
One-time Chelsea midfielder Michael Ballack and ex-Aston Villa defender Olof Mellberg were also among the former stars seen enjoying the big occasion.
No avoiding Dortmund anthems
Starbucks (*other coffee shops are available) should be one of those places where visitors can feel welcome and familiar wherever in the world they find one.
Not in Dortmund however, where they chose to blast out one of the local club’s anthems through their speakers as pre-kick off anticipation built.
Perhaps that obvious show of allegiance was an attempt to deter Chelsea fans who were drinking in the main square near an interestingly-named bar called Wenkers and frustrating staff by only using the coffee shop for its toilet facilities.
PA struggles with Chelsea team
The PA announcer had his time to practice and as kick-off approached his big moment arrived – it was time to read out the teams.
All was going well and until Marc Cucurella followed Carney Chukwuemeka when he got to Chelsea’s subs and his attempt to muddle through and hide his pronunciation struggles failed.
sedinprstz
0
Potter signed a 6year contract so to sack him they will have to pay him out. The owner of Chelsea is a stupid Rich fool. Chelsea will suffer the whole seasons
hoeacenpuy
2
please let this man called g.potter be sacked
Alddrinie
0
Potter for Chelsea for more than 4yrs
BangP
0
who told you all this?
what he is saying is true Bro.... TT was a far better coach but the problem is he wasn't willing to align with the owners vision of building the team with young players with great potential as well as overhauling the squad... and he wasn't willing to involve himself when it comes to transfers too ..... but it was a huge mistake to give Potter that 5yrs contract it should have been 3yrs at most...
Kenn2210
0
who told you all this?
Nobody told me I read it myself
bright2417
0
I will like to share more light to reason why TT was sacked. The man was not sacked because he lost his games because if TT was in this position he will still not get sacked ask me why !!! This new owner those not believe in sacking coach very fast he did not believe in quick success he believes in long time project and that is where him and TT has miss understanding. TT did not agree to bring some players in and he did not agree to sell some of the players too. The owner believes in young young players, the owner believes in playing an attacking football not that 523 which TT said he can’t change and we all know that the owner has the final say. TT has come and he has don well so let go of the past so as to see the next success infront. I will gladly call for potter to be sacked if he did not call on natural striker fofana to EPL lineup even to me next game should be his first start and bench that KAI. I did not blame him at the moment just because coach need to play some games so as to access who to play and how to play them because if you don’t lose you can never get your tactics right in football I remember TAI hang play magui at the back and bench casim for like 3 match until he lost before he make changes and balance the formation so I will give potter for like 3 more matches to get his tactics right.
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who told you all this?
Tabablnpsu
0
Toddy will be regretting why he sacked Thomas who is far better than Potter.
Kenn2210
4
I will like to share more light to reason why TT was sacked. The man was not sacked because he lost his games because if TT was in this position he will still not get sacked ask me why !!! This new owner those not believe in sacking coach very fast he did not believe in quick success he believes in long time project and that is where him and TT has miss understanding. TT did not agree to bring some players in and he did not agree to sell some of the players too. The owner believes in young young players, the owner believes in playing an attacking football not that 523 which TT said he can’t change and we all know that the owner has the final say. TT has come and he has don well so let go of the past so as to see the next success infront. I will gladly call for potter to be sacked if he did not call on natural striker fofana to EPL lineup even to me next game should be his first start and bench that KAI. I did not blame him at the moment just because coach need to play some games so as to access who to play and how to play them because if you don’t lose you can never get your tactics right in football I remember TAI hang play magui at the back and bench casim for like 3 match until he lost before he make changes and balance the formation so I will give potter for like 3 more matches to get his tactics right.
Kenn2210
0
I am hurting every time I watch Chelsea play. And to think we sacked Thomas for Graham? We are such idiots
Go and do your research before you hurt yourself because TT deserves to be sacked. He was not sacked because he lost his match he was sacked because he did not agree to the new owners ideas and we all know the owner has the final say
Kenn2210
0
Thomas tuchel he lose only one game and sacked him now what's about this idiots doing at chelsea...
I know the reason why you people always complain is because you don’t even know why he was sacked. Before you talk go and search and read the reason why TT was sacked because it is not because he lost.. hello TT boy TT did not lose only one match o please go and do your findings before you talk.
nibcekoprs
0
useless coach I think the owner has no advisor for them to sack potter
Fumabelmpr
1
Thomas tuchel he lose only one game and sacked him now what's about this idiots doing at chelsea...
Kotcekruz
0
please Chelsea should give this man another five years contract 😜😜😜
how can you buy a striker and you decide to bench him , still you are not getting goals
Renbeituz
2
I am hurting every time I watch Chelsea play. And to think we sacked Thomas for Graham? We are such idiots
Kuhbcdortz
1
bosss' please do like abromovic. sack him. poter no plan . Chelsea is big team we need respect
rudaelmnpy
3
now we got two natural striker but we choose to play with that Harvetz as a false 9 wich i really dont understand really....... how can you buy a Navara but you still prefere to use a donkey car?? this Potter is not serious at all
Kutbdlrsuz
1
I really didn't now what this man is till doing at chelsea.... is Chelsea your father father's company....
hioaipsz
1
he is not Harry please Chelsea owners must see that and just sack the guy
remampyz
1
Potter just resign yourself don't wait to be sacked
Hibcdikpsu
0
chelsea don't need an average couch!! please do something about that its getting late 😡😥
webdklns
0
this is how bad it's become we lost and yet we are saying oh no we improved🤦🤦🤦
Teyikmnry
0
let the coach level Chelsea, is he using chiam or what
Harris38
2
This man potter is not capable of delivering Chelsea, because our expectations are high than of his previous clubs, the price cost of 4 players at Chelsea is high than put together 11 players at his former club , we need good playing, we need winnings, we need trophies
Lunacdenyz
2
You are just spending unesesily money, I pent you , you can never get it right with this useless man called Graham potters, believe it or you leave it, no good tactics, no good selection, no good subtitude and you called your self a coach.
Mikbklnos
1
be strong Chelsea is not firing potter now
pumalnsyz
2
This new owner and Graham Potter have made Chelsea a mid table club. no team fears us anymore. no more happiness on watching chelsea
JanmatTamrakar
1
i think TT is fresh from his holidays, bring him back
Vieeilmp
0
The billionaire is ashamed of his decision he took by sacking Thomas 😢😢 see where the team is right now 😌😌😌 So discouraging seeing Chelsea play these days really!!!
Mimiklnot
1
we're tired of this thing called potter sack this thing and bring back Thomas tuchel
Lomaemortu
1
Chelsea management is worst, they try to sign each and every player available in the market but when it comes to manager they close their eyes and day we should give time to potter👿, 2win in 14 game, 4goal in 2023, just 1 win in 2023🙄, still u want to give time to potter... If same gorm continue we will play in second division league
cedabdkstu
1
please Chelsea should give this man another five years contract 😜😜😜
Zokbdpryz
1
Ive never seen a poor clown manager like Potter. Why keep havertz on pitch for 90min and keep taking off mudryk. Chelsea have the best squad but cant even score a single goal. This is beyond sack potter bring an experienced manager with a winning mentality. Smthing should be done
But if not Kai Harvetz who gonna play upfront. There wasn’t any striker on the bench. We shouldn’t push all the blames on the coach though he is bad. Look at the number of chances they squandered.
vickygrant
0
Ive never seen a poor clown manager like Potter. Why keep havertz on pitch for 90min and keep taking off mudryk. Chelsea have the best squad but cant even score a single goal. This is beyond sack potter bring an experienced manager with a winning mentality. Smthing should be done
Mudryk or what ever you called him is not in the game what a waste of money
pudceilny
1
I hope Graham Potter gets fired.
hanbckpt
1
sack this manager pls
BrianKessy767
1
if Chelsea get knocked out of ucl next season no even conference league...u were saying the world is jealous of ur 600 mil
Cumbelrtu
1
is high time to sack potter...now or never
Vecelmoyz
2
but y are you still keeping this man cold potter sack him
Fuzceilnpt
0
tomorrow morning
I hope so
remadimnpy
0
this is not good maybe this guy don't now soccer he must go back to usa pls why can't he sack this potter or he date potter sister or what must we say
man said soccer and thinks boehly knows nothing 😂😂
Clevis
0
when will Chelsea sack potter?
already sacked
Viaalmnos
3
to sack coach that's not the solution just give him time
Voyacinr
2
potter is at Stamford bridge to stay. you go support Arsenal
ManUtdAmadDialo
2
£600M is a lot of money[Crylaugh]
wuycdlrst
2
I don't just know what to say but I know that this man called Potter or putty doesn't know anything at all, sack this man called Grammy putty
Momabdrsty
2
let replace potter with Emma Hayes
raymondkabombo
1
Ive never seen a poor clown manager like Potter. Why keep havertz on pitch for 90min and keep taking off mudryk. Chelsea have the best squad but cant even score a single goal. This is beyond sack potter bring an experienced manager with a winning mentality. Smthing should be done
Limdiknsuy
1
I wonder why Havertz and lotus chick could play all 90 minutes. what kind of a coach will register injered players who could not play while living fit players out of his squad. what a coach. He should be sacked.
CGM
2
Chelsea nowadays
Sauaikoru
0
New manager needed DM 🙏 with your price