Inter Milan great Walter Zenga says Max Allegri is clearly struggle to manage the Juventus squad.

Zenga was reacting after Atalanta's victory at Juve on Saturday.

He said, "Mister Allegri is trying to instill serenity and security in the team.

"But he knows what the difference is between the squad this year and past ones.

"The attack, above all, is in great difficulty."