Atalanta have failed to find the net for the first time in 16 Serie A games, a run stretching back to April 15.
The Orobici are the top scorers in the tournament this term with 30 goals in 11 rounds.
However, they were beaten 2-0 in Bergamo by Cagliari this afternoon, Papu Gomez denied by the crossbar.
It ends a run of 16 Serie A matches on target, since a 0-0 draw away to Empoli on April 15.
Atalanta had scored 43 goals during that period, an average of 2.7 per game.
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