Saturday night's draw interrupted Juve's club record run of 12 consecutive Serie A victories, with Gigi Buffon being sent off in the first-half.
"It's a shame, as we wanted to keep winning, especially coming back to Rome three days after the Coppa Italia defeat to Roma," he told Sky Sport Italia.
"We had great character and kept believing in ourselves. It's a pity that our tempo was too slow when we were 11 against 11, then with 10 it brought out our character."
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