Arsenal boss Unai Emery was left delighted with their late market work.
Emery said he has been delighted by the club's organisation and effort in the transfer window, which concluded with the Deadline Day arrivals of David Luiz and Kieran Tierney.
"I am delighted with our work. The club did very well to get the best players to help us and make us stronger. We start on Sunday and will look to see the response of our players," he said.
The Spaniard also stressed the importance of the new crop of youngsters at Arsenal and the affect they can have on the first-team in addition to the new signings.
"I want to say to our supporters I am very excited and enthusiastic with Pepe, David Luiz, [Dani] Ceballos, [Gabriel] Martinelli, Kieran Tierney but also with [Joe] Willock, Reiss Nelson, Bukayo [Saka], with Lacazette, [Pierre-Emerick] Aubameyang, everybody! With [Bernd] Leno, with Emiliano [Martinez], with Matt [Macey].
"We need every player and I want to achieve with every player our best performance. My challenge is to achieve some titles in my present and future here and go to the Champions League.
"My first, first objective is to improve each player in his career."
