"In all honesty, it was difficult to play and move the ball around quickly on a horrible pitch," he told Sky Sport Italia after a 1-1 draw at the Stadio Sant'Elia.
"We created more chances than Cagliari, but it was not sufficient, as we should've scored two or three goals.
"It was a very important match for Cagliari in front of their fans. In theory a draw here is not a bad result, but it is for us because we're chasing the top of the table, even though it was very difficult here.
"The ball did not roll evenly, so we had to go for long passes and this created a gap between attack and midfield.
"Cagliari had few scoring opportunities and the defence was strong tonight. If anything, we were lacking in attack rather than defence."
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