The Nerazzurri have now failed to score in each of their last three Serie A matches.
“I don't think it's a problem that we weren't able to score against a strong side like Atalanta, but everyone can put whatever spin on it they like," a visibly irritated Spalletti told Mediaset Premium.
“These are the games where you are forced to play in a certain way. We struggled in the first half because our passing wasn't clean enough and we didn't put together good moves. The only times we did manage an exchange of passes with Mauro Icardi, we managed to create chances.
“We took too long to really start being aggressive and closing the Atalanta players down to win back the ball.
“We had four or five clear-cut scoring opportunities here, were pushing to the end, but admittedly should've done better in the first half."