The Armenian is expected to play a significant role in Unai Emery's plans at the Emirates Stadium, though, and he confirmed that he is happier with the more attacking football philosophy at Arsenal.
But Henrikh Mkhitaryan, Joseph Willock and Edward Nketiah were all denied by Adan as Atleti won 3-1 on penalties.
Arsenal goalkeeper Petr Cech feels reassurances over his future would help Ramsey to focus on finding his best form in 2018-19, and named the Wales global as one of the club's best players.
Luciano Vietto grabbed the opening goal for Atletico just before the break in a first half which Arsenal dominated. I think he continues here because it is a big project here and his commitment to Arsenal is very strong.
Meanwhile, Thula Dlamini likened the Nzonzi's relationship with Arsenal head coach Emery to what former Manchester United manager David Moyes shared with Marouanne Fellaini.
Pakistan cricket star Imran Khan leads amid slow vote count
The PTI enjoys the support of 30-32 percent of voters whereas the PML (N ) is the preferred choice of 27-30 percent of voters. Pakistan's mainstream political parties have rejected the elections results terming the Wednesday's polls "rigged".
Winger Reiss Nelson, 19, and midfielders Matteo Guendouzi, 19, and Emile Smith-Rowe, 17, all brought different things to the table yesterday but what they offered in common is a chance for Gunners fans to have hope in the future.
Rowe, who turns 18 tomorrow, slalomed his way into the heart of Atletico's defence in the 47th minute before firing a fierce shot into the top corner, a strike that had Arsenal coach Unai Emery purring.
"It is very easy to be next to him on the pitch because he tries to be everywhere to help the team, to score goals, with assists, to tackle and recover balls".
For that, I am happy with his work today, not only today but every day.
But wiping out Atletico's lead was an even more impressive effort from a teenager wearing the No. 55 jersey for the Gunners.
"Then they are improving every day in the training sessions".