Allergi has been heavily linked to Arsenal as the London club search for Arsene Wenger's replacement, but the former AC Milan boss said Juventus want to achieve more after completing the double this season.
Meanwhile, Maurizio Sarri's Napoli won 2-0 in Sampdoria to give them the meagre consolation of a new club record of 88 points. "We have not yet thought about the future, as we are still concentrated on the end to the season. But the motivation to win again is there and you've got to set yourself some personal objectives within the group".
They upped the tempo after the restart and Argentina striker Dybala had a classy goal correctly ruled out for offside three minutes into the second half.
Nainggolan received two yellow cards in the space of five minutes and from the 68th minute Roma were down to 10 men, but Juventus did not take advantage as their game lost its momentum, although Dybala did have penalty appeals.
Juventus' final game of the season is against already-relegated Verona at home, on May 19.
34- The Bianconeri have now won the league 34 times - this is 16 more titles than any of their Serie A rivals.
"Juventus have a special mentality that has been built up through the years", Di Francesco said. "It is also a solid and united club, even in hard times". I think it's decisive that they are able to wash their dirty laundry in private and that is something all clubs ought to do, taking this mentality as an example.
Lorenzo Tonelli has responded to Giorgio Chiellini's dig at Napoli, claiming his side intimidated Juventus and that they "feel like winners".
The contest for the last Champions League place is heading for a thrilling finale in Serie A after Lazio were held to a 2-2 draw at relegation-threatened Crotone.
"When the next season begins, we all start from zero points and must continue proving we are competitive". The defeat meant AC Milan secured their spot in the Europa League despite Atalanta scoring late to rescue a 1-1 draw in a bad-tempered match which saw a player from each side sent off in separate incidents.