Arsenal have secured for the next four years, the services of of Nigeria worldwide Alex Iwobi, after the midfielder signed a new contract at the Emirates.
The Gunners were originally scheduled to play Sevilla, but the La Liga side have been forced to withdraw due to scheduling issues.
Ramsey, 27, is entering the last 12 months of his Arsenal contract and has yet to agree a new deal.
That's the message from former Arsenal man John Hartson. Morata stepped up but telegraphed his kick and Cech dived low to his right to smother it. Most recently, Arsenal overcame their local London rivals Chelsea in a preseason game at Dublin although; the Gunners had to take the game into penalties to decide the victor.
Welsh midfielder Ramsey is in the past year of his Gunners contract and they are ready to sell to finance their own transfer ambitions.
Key player: Pierre-Emerick Aubameyang - The statistics are remarkable.
Hudson-Odoi proved to be a big threat down the left flank for the Blues as he carved an opening for Morata, who was denied by the on-rushing Cech after 24 minutes. "In the end of the first half, we were a bit sloppy".
Chelsea boss Maurizio Sarri replaced Fabregas with Danny Drinkwater and sent on Andreas Christensen for David Luiz during the interval.
"We saw the way Jack Wilshere, someone who had been endlessly indulged with contracts despite the way he recovered from injuries, we saw the way Emery was quite cold in telling him "you might be a sub".
The changes affected Chelsea's rhythm and Lacazette pulled a shot wide after he had nutmegged his way clear on goal as Arsenal continued to press. Indeed, the Nigerian worked space on the left before striking against the post, and Reiss Nelson was on hand to turn home.