Mesut Ozil disappears for Arsenal, Sidwell chants with inflatable guitar and penguins take over Etihad: Eight things you missed from Man City's win 

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Arsenal collapsed against Pep Guadiola's Manchester City side in the second half as the host fought back to win 2-1.

As always, the television cameras covered every blade of grass but Sportsmail is on hand to cover the things you might have missed.

This week there are some absolute Christmas crackers, including Steve Sidwell chanting with an inflatable guitar and penguins outside the Etihad.  

Did Kevin de Bruyne provide the assist of the season for Raheem Sterling's goal?

Steve Sidwell leads hearty Arsenal chant 

Standing on a stool, conducting his merry orchestra, Steve Sidwell was filmed chanting his support for Arsenal at Yates's in Manchester city centre.

The Brighton midfielder and former Arsenal youngster was spurred on by calls of 'Sidwell is a Gooner' before taking to his feet, hushing the crowd and leading the chorus.

Oh, and he was holding an inflatable guitar. Words simply cannot do it justice so here's the video..

Pre-game penguins 

Yes ladies and gents, those are penguins. Far from content with the occasional air time on Planet Earth, these adorable creatures entertained fans milling around before the match.

A couple of footballs were thrown in the enclosure for good measure but truth be told these were not the most technically gifted animals. 

Severely hampered by webbed feet, and well, by being a penguin, would Pep Guardiola still instruct them to play out from the back? 

If you're picking a polar XI, these are getting nowhere near the starting line-up. Flightless birds? About as useful as Willy Caballero's hairdresser.  

A small enclosure filled with penguins playing football entertained the crowd before the game

Not the most naturally gifted technicians the webbed feet definitely hamper control

Manchester City fans were not sure what to make of the feathered creatures at the Etihad

Petr Cech hits career-worst streak

The Arsenal goalkeeper has conceded at least one goal in each of his last eight Premier League matches. 

This is the longest run without a league clean sheet in his career. The veteran shot-stopper was dealt the unwanted record as Leroy Sane slotted home early in the second half. 

Where's Ozil?

Plenty of Arsenal fans took to social media asking where their playmaker had gone.

The German appeared to be a scapegoat for his side's second-half collapse among supporters online. 

It is a criticism often levelled at the former Real Madrid man that he can disappear for significant spells and this match was no different.

Mesut Ozil was criticised on Twitter by plenty of Arsenal fans who thought he went missing

Cech also Arsenal's most prolific passer 

With 15 minutes remaining, the man in Arsene Wenger's side with the highest number of attempted passes was his goalkeeper.  

If there was ever a stat to tell the story, the fact that Cech played more balls than his side's playmakers is damning.  

Red lines indicate Cech's passes collected by City players with blue representing completions

Assist of the season?

Kevin de Bruyne's blind, half-volleyed pass to Raheem Sterling for the second goal was astonishing. 

The Beglian collected a throw in on his chest before adjusting his body and smacking a raking ball into space down the right for the winger. 

Sterling's wonderful run and finish turned it into an assist but in truth that pass deserved to be followed up with such conviction.

De Bruyne received the ball on halfway and showed brilliant vision to pick out Sterling

The half-volleyed delivery flew over the heads of Arsenal's defenders into space on the right 

Sterling scampered on to collect the ball before cutting inside onto his left foot 

The England winger finished spectacularly, turning the gorgeous pass into an assist 

Is it nearly Christmas?

For some people Christmas is a time for giving, for carols, stockings and mulled wine. For others it is time to wear pretend antlers to an Arsenal match. 

Both sets of fans delivered spectacularly with an assortment of questionable festive gear.

Forget the nativity, tis the season to don jumpers that are simply unacceptable in any other month.    

Antlers and decorative present earrings were a phenomenal effort from this Arsenal fan 

Not to be outdone, plenty of City supporters dug out their festive knitwear 

Two home fans at the Etihad share a moment in their matching Christmas hats 

Christmas pudding wins dramatic mascot race

If you've ever wondered whether a Christmas pudding could beat Frosty the Snowman in a sprint, you are not alone. 

Half-time provided the answer to this age old question with Frosty beaten in dramatic fashion. 

Christmas pud, hampered by a ludicrously top-heavy costume, overbalanced but tumbled over the line in first place with Frosty served his just desserts for a lacklustre showing.  

The Christmas pudding and Frosty the Snowman were neck and neck with 20m to go 

With the finishing line at its mercy, the pudding overbalanced but managed to cross first

The triumph was marred by a somewhat inelegant finish but Frosty was second best on the day