The Rossoneri had fought back from 2-0 down, but were beaten 3-2 at the death at the Stadio Tardini.
"In the first half we created little and conceded twice on the counter-attack," the Coach told Sky Sport Italia.
"After the break we did more and went close to a third goal, but then that free kick happened at the end. We were naive and conceded two goals just before the end of each half.
"We should've closed down and not allowed any more space, but instead we got it wrong."
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