Third-placed Inter Milan missed the chance to put pressure on the teams above them as they were held to a goalless draw by Sassuolo.
Watford's Marvin Zeegelaar has joined Udinese on loan until the end of the season.
Serie A side Udinese have confirmed that they have signed Stefano Okaka from Watford on loan.
Watford forward Stefano Okaka is set to join Serie A side Udinese on loan.
Cristiano Ronaldo scored twice as Juventus sealed a dramatic 2-1 win over Sampdoria.
Cristiano Ronaldo came off the bench to score a late equaliser as 10-man Juventus salvaged a 2-2 draw at Atalanta.
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