Former Manchester United midfielder Angel Gomes has joined in a free transfer from Lille, while defender CJ Egan-Riley has arrived from Burnley.
Advertisement
Advertisement
De Zerbi told L'Equipe: "We still have a lot to do, but I'm happy with the transfer market.
"We've signed two talented youngsters, Egan-Riley and Gomes, who are two of Benatia's masterpieces."
De Zerbi also revealed midfielder Adrien Rabiot has had the opportunity to leave this summer.
He added, . "Rabiot has received very interesting offers but has chosen not to consider them."