Summary
Dybala curled a shot in off the inside of the post for his 14th goal of the season to put Juve, chasing a fifth successive title, on 67 points and six clear of Napoli, who visit Palermo Sunday.
Buffon, 38, has not conceded a goal in 926 minutes and is three minutes short of the Serie A record set by Sebastiano Rossi for AC Milan in 1994 .
Sassuolo were the last team to beat Juventus in the league back on Oct. 28 and the leaders, who have admitted that that defeat shook them out of their complacency, have won 18 and drawn one of 19 games since then.
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