New boss Unai Emery has also selected Petr Cech, Aaron Ramsey, Mesut Ozil and Granit Xhaka to be part of a leadership group.
Few are expecting the Gunners to topple, or even challenge City for the Premier League title this term but what does Emery think personally?
The new manager, the Telegraph said, confirmed that Laurent Koscielny, now out injured, would be his main captain, but that he would be backed up by Petr Cech, Aaron Ramsey, Mesut Ozil and Granit Xhaka.
All 14 of Aguero's previous meetings with Arsenal have come during his time with Manchester City, including 11 in the Premier League which have yielded mixed results of four wins, four draws and three defeats.
"My first message [to the players] is clear", Emery said.
Welbeck faces serious competition to get in the side in his usual forward position with Pierre-Emerick Aubameyang, Alexandre Lacazette and Henrikh Mkhitaryan all first-choice players in attacking positions.
Arsenal finished sixth last season as they completed their campaign in dismal fashion. Arsenal also signed veteran defenders Stephan Lichtsteiner - who is the Switzerland captain - and Sokratis Papastathopoulos, who are also seen as strong personalities both on and off the pitch.
'There is Chelsea with Jorginho, Kovacic and Kante in the middle, and Hazard, Willian, Pedro and Morata up front, so you cannot say they are not contenders. We need four on the top level.
"The match is going to give us the information [of what] is our level", he said.
'It is not comfortable but if you want to compete in four competitions we cannot compete with just two good central defenders. I believe in me, I believe in the players, I believe in the club.
He faces a Guardiola who is now fully into the swing of things at Manchester City and had an unparalleled domestic campaign past year where City racked up 100 points.
Turkey is 'target of economic war', Turkish president says Trump announced the punitive doubling of tariffs on Twitter, saying: "Our relations with Turkey are not good at this time! ". Washington "must give up the misguided notion that our relationship can be asymmetrical", he said in the opinion piece.
Turkey turmoil spills over to Wall St, shaves 200 pts off Dow Declining issues outnumbered advancing ones on the NYSE by a 2.10-to-1 ratio; on Nasdaq, a 1.51-to-1 ratio favoured decliners. The S&P technology index fell 1 percent, with Intel down 2.8 percent after Goldman Sachs downgraded the stock to "sell".
At another point, the joyriding pilot tells the tower that he's played lots of video games and can handle the plane well. Video showed the Horizon Air Q400 doing large loops and other unsafe manoeuvres as the sun set on Puget Sound.
Three-time European Tour victor Matt Wallace had a moment to remember when he claimed a hole-in-one at the Par-3 16th. His resulting attempt to punch back out in to play hit another tree and ricocheted out of bounds.
The White House initially said Newman had resigned but after the "Big Brother" appearance said she had been fired. President Donald Trump called former White House adviser Omarosa Manigault Newman a "lowlife" Saturday.
She alleges she was denied a higher rating in her annual review in retaliation for her complaints about sexual harassment. The latest lawsuit involves a group of women complaining of gender discrimination and pay disparity during their tenure.
Pogba played a key part in France's successful World Cup campaign and was therefore allowed to miss most of United's pre-season. Pogba's penalty two minutes was, what I guess you can say, weird? "It's not a role that I give to myself".
Huddersfield fans will have felt the half-time score was harsh, but Chelsea set about extending their lead after the restart. France's World Cup victor scuffed a volley into the ground and it took a deflection, before looping into the corner.
We are not a physical team. "They did a really quick and easy deal together, understanding the humanity of the situation". We made too many mistakes and missed our chances. "I have seen passion, desire, the spirit we usually have in our game".
Teenaged prodigy Shapovalov eliminated Italian 14th seed Fabio Fognini victor last weekend in Los Cabos, 6-3, 7-5. But the Canadian wilted after that, losing serve twice in the third set to knock him out of the tournament.
Blue light alone or only retinal without blue light had no effect on cells, but a combination of blue light and retinal was toxic. The process leads to age-related macular degeneration , or the death of photoreceptor cells in the retina .
The spacecraft, which will plunge into the sun's atmosphere, known as the corona, is protected by an ultra-powerful heat shield. Nicky Fox, project scientist at the Johns Hopkins University Applied Physics Lab, said: 'The sun is full of mysteries.
Arsenal vs. Manchester City live stream
The future is bright, the future is Unai Emery (below). "What we'll see Arsenal do more this season is win games tactically". But, he has failed to make a good first-impression, largely thanks to his wobbly form in the pre-season.
Trump praises Kanye West: I'm honored by his support
Others thanked Kimmel for his question, saying that Kanye's silence proved there weren't any reasons to actually support Trump . The US President has since taken to Twitter to thank Kanye for his public show of support, adding "It is making a difference".
Mesut Ozil named Arsenal co-captain by boss Unai Emery
He has returned to training this week but it's unclear as to whether he'll start the match or be among the substitutes. Arsenal is a good opponent to manage a win as Manchester City have been proved powerful in their recent clashes.
Man United vs Leicester City, Premier League
Guardiola opted for only one significant new recruit, landing Algeria winger Riyad Mahrez from Leicester in a £60 million swoop. "We want to win every game, do everything that we can to win our matches, and at the end we'll see our position", Silva said.
Arsenal Manager: Pep Is Better Me
I've said many time that I'm not a special guy but I am so good at working, working, working, and they have to work too'. The important thing is to be ourselves. "'Maybe my advice is alright for me but it might not work for him".
Kanye West denies he was stumped by Trump question
Despite the interruption, West has nothing but praise for Kimmel , a man he once engaged within a social media feud. Now, Kanye is responding via Twitter and he's claiming that he didn't have the opportunity to give a proper answer.
Family of man who stole, crashed plane in 'complete shock'
Royal King told The Seattle Times he was photographing a wedding when he saw the low-flying turboprop being chased by to F-15s. A ground service agent's tasks don't involve touching planes' controls, CNN aviation analyst Mary Schiavo said.