On Sunday, the Serie A 14th round matches continue.
An unexpected result was recorded in Turin, where Juventus played a 2-2 draw with Sassuolo.
The hosts started the match more successfully and took the lead in the 20th minute after a precise long-range shot by Leonardo Bonucci.
Sassuolo equalized just three minutes later when Jeremie Boga lifted the ball over the opponent's goalkeeper.
In the 47th minute, Matthijs de Ligt made a defensive mistake and passed the ball to Francesco Caputo, whose shot Buffon tried unsuccessfully to save, allowing the visitors to take the lead.
Juventus equalized in the 67th minute when Cristiano Ronaldo converted a penalty kick.
Neither team was able to score again and they shared a point.
Inter took advantage of the leaders stumbling, winning 2-1 against SPAL at home.
Lautaro Martinez put the hosts ahead in the 16th minute with a precise shot.
In the 41st minute, the same Argentinian doubled Inter's lead with a header.
SPAL reduced the deficit in the 50th minute with a goal from Mattia Valoti, but they couldn't equalize before the final whistle.
Inter climbed to the top of the table after this victory.
Other results:
Napoli 1:2 Bologna
41' [1:0] F. Llorente
58' [1:1] A. Skov Olsen
80' [1:2] N. Sansone
Lazio 3:0 Udinese
9' [1:0] C. Immobile
36' [2:0] C. Immobile (penalty)
45+1' [3:0] L. Alberto (penalty)
Parma 0:1 AC Milan
88' [0:1] T. Hernandez
Verona 1:3 Roma
17' [0:1] J. Kluivert
21' [1:1] D. Faraoni
45' [1:2] D. Perotti (penalty)
90+2' [1:3] H. Mkhitaryan
Standings: