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Former England defender Rio Ferdinand on BT Sport: "I didn't see 5-1 at half-time. Bayern went into overdrive. They looked spineless. There was no fight or aggression. You want to see fire in their belly and that's the most disheartening thing for me."

Oliver Middleton: Wengers lowest point was the 8-2 to an average Man United team, and he's still here, so he will probably be here next season

Matt Williams: That I predicted a drubbing before the game says how stagnant Arsenal have become over the years. It's a sad, sad sight to see.

Stavros Makrozachopo: Tonight, the body language of Wenger suggests that it's all over.I think that result tonight signals the end of his reign

Helles Mammut: Wenger should be fired on the flight back,every minute he stays at Arsenal is wasted by the club... 

Image source, Rex Features

Former Arsenal defender Martin Keown on BT Sport: "I feel for Arsene Wenger. It's almost embarrassing. Outclassed, outplayed. They did it at a canter.

"Wenger has to be seriously considering his future now because it's embarrassing. I can't ever say I'd like to see him go - this is his lowest point ever Arsenal manager."

It's a record-making evening for Arsenal. They are the first English team with 200 conceded Champions League goals.

Meanwhile, Bayern Munich have won their last 16 Champions League home games, the longest winning run in the history of the competition.

The vast majority of the Arsenal players quickly disappear down the tunnel, some stay briefly to applaud those hardy travelling fans. 

Bayern Munich players are celebrating on the pitch like they are into the quarter-finals.

To be fair, they probably are.

Pat Nevin
Ex-Chelsea winger on BBC Radio 5 live

In the second half, Bayern decided when it would be played at a high tempo or when they would calm it down. Arsenal came to life in the last 15 minutes of the first half and you thought ‘maybe, just maybe’. But the negativity before the game feels more like a realism. Arsenal were totally outplayed by a team who are good but weren’t utterly brilliant.

Bayern aren’t as vociferous as this usually after the final whistle unless they have won a tie. And they have.

Former Arsenal defender Martin Keown is on BT Sport and has just described tonight as the lowest point in Arsene Wenger's managerial career at the Gunners. 

Thoughts?

Image source, Rex Features

Let's not take anything away from Bayern Munich. That was a stunning second-half performance by Carlo Ancelotti's side that few sides would have been able to cope with.

The manner of Arsenal's collapse, and the lack of fight after they fell behind, was disappointing though.

All over in Madrid and after an early scare, Real look to be in control of this tie.

Image source, AFP

That's it. All over and what a display by Bayern Munich.

For Arsenal, plenty of questions to be answered. They have it all to do to avoid another last 16 exit.

Image source, Reuters

Mesut Ozil exists! He touches the ball in a rare spell of possession for Arsenal. In truth, Bayern are letting them have the ball at the moment.

The 90 minutes are up and there'll be three minutes of added time played. Three torturous minutes for Arsenal.

Chief tormentor Arjen Robben is the final Bayern Munich substitution. The winger gets a standing ovation as he goes off. Rafinha comes on.

Good news for Arsenal - Robert Lewandowski is going off.

Bad news for Arsenal - Thomas Muller is on in his place. 

Image source, Reuters

Harry: Bayern are so far ahead that Robben has started shooting with his right foot

Pascal Van Der Kamp: Same time of the year, same outcome. Gutless, and shambolic. Oxil nowhere to be seen AGAIN. Has to be Wenger's last season

Image source, AFP

A piece of good news for Arsenal. Philipp Lahm picks up a booking which rules him out of the return leg. He has been unplayable tonight.

Bayern make their first change ith six minutes remaining as Joshua Kimmich comes on for Douglas Costa.

Napoli have the ball in the net through Jose Callejon but it is ruled out for offside. Moments later, Luka Modric flashes an effort just over.

Seven minutes to go in that one.

Image source, Reuters

Douglas Costa bends a fierce drive towards the far post but David Ospina does superbly to tip the ball behind.

Ospina has prevented this from being an even worse night for Arsenal.