The prospect of a potential Gabriel-William Saliba centre-back partnership over the coming years has got many Arsenal fans excited.
But what does the Brazilian defender think of that possibility?
"It is a dream," Gabriel told Arsenal.com. "I’m living a dream right now, to play for this club with such a massive history and all its achievements.
"Everything there is to achieve and I am very happy to be here. It hasn’t really sunk in yet, but I am glad to be here and I can't wait to play with my new teammates.
"I know [Saliba] is a talented young player and if he is joining Arsenal it is because of his quality.