The Juventus midfielder says it was inevitable his team-mate would eventually hit the goal trail after he ended a 20-game run without scoring with four goals in two games
Morata went 20 games without a goal after scoring against Bologna in early October but has found the net four times in his last two outings, grabbing doubles against Inter in the Coppa Italia and Chievo in the league.
"With regards to Morata, it's no surprise he's back amongst the goals," Sturaro told Sky Sport Italia. "It was only a question of time. He can be the difference again for us just like last year."
Juve's victory over Chievo was their 12th consecutive Serie A triumph and their good run of form has seen them climb to second place in the table, just two points behind leaders Napoli.
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"There are four or five sides still in contention for the Scudetto," Sturaro insisted.
"There's not a huge points difference between all of us. Therefore, we can't afford to get too ahead of ourselves, but instead we need to take each game at a time.
"We've improved in many areas of our game, especially in how we take control of and dictate matches. All of our players have stepped up to the plate."