Dejan Kulusevski came off the bench to rescue a point as champions Juventus, playing without Cristiano Ronaldo, were held to a third Serie A stalemate at home against Hellas Verona on Sunday.
Portuguese forward Ronaldo remains absent after testing positive for coronavirus with Juventus preparing for next week's Champions League tie against Barcelona in Turin.Substitute Andrea Favilli put Verona ahead after an hour in Turin but Swedish forward Kulusevski rescued Pirlo with 13 minutes to go.
To add to Pirlo's problems before hosting Barcelona, defender Leonardo Bonucci went off with a thigh problem. Veteran Giorgio Chiellini is already out.
Juventus are fifth in Serie A, three points behind leaders AC Milan, who host Roma on Monday.
The nine-time reigning champions have stalled under new coach Pirlo after winning their opener against Sampdoria, their only victory on the pitch in Serie A this season.
They drew against promoted Crotone 1-1 and 2-2 at Roma. Between those matched they were awarded a 3-0 victory after Napoli refused to travel to Turin on October 4 because of coronavirus cases.
On Sunday, Ebrima Colley had a goal ruled offside after quarter of an hour for Verona with the hosts also denied an Alvaro Morata goal for a marginal offside.Favilli came on after 55 minutes and five minutes later had the visitors ahead finishing off a Mattia Zaccagni cross.
Morata missed another chance on 72 minutes. Paulo Dybala, making his return after three months, hit the crossbar five minutes later. Then Kulusevski beat Silvestri from an angle.
The Verona goalkeeper pulled off two late saves to stop Dybala and Morata.
Napoli moved up to second place, one point behind AC Milan, after a 2-1 win over promoted Benevento, a match in which brothers Lorenzo and Roberto Insigne scored for rival clubs.
Lorenzo Insigne, 29, marked his return from injury with a stunning equaliser for his 68th top-flight goal for Napoli, with Matteo Politano setting up Andrea Petagna for the winner seven minutes later.
Gennaro Gattuso's side got back to winning ways after their surprise 1-0 Europa League home defeat by AZ Alkmaar.
Napoli have won all four Serie A games they have played this season
Mid-table Fiorentina got back winning 3-2 against Udinese thanks to a Gaetano Castrovilli brace either side of a Nikola Milenkovic header.