Juventus needed two goals in stoppage time to seal a come-from-behind 3-1 win at Cagliari and move 10 points clear at the top of Italian football's Serie A.
Cagliari are just a point above the relegation zone.
Inter Milan missed the chance to close the gap on Juve on Sunday when they could only manage a 1-1 home draw with Genoa.
Lazio moved up to second place after a 1-0 win at Sampdoria helped them leapfrog Inter.
10-man Roma beat AC Milan 4-2 at Rome's Stadio Olimpico to stay above the Milanese giants in sixth.
Napoli won 2-0 at bottom side Siena to go fifth.