Juventus remained on course to defend their Serie A title with a 2-0 away win to Bologna as challengers Napoli stayed nine points behind with a hard-fought 3-2 win over Atalanta on Sunday.
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Elsewhere, Francesco Totti scored Roma's second, and his 226th in Serie A, to help his side to a 2-0 home win over Parma and a jump up two places to sixth and ahead of depleted city rivals Lazio.
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Totti's goal means he is alone in second place in the all-time list of scorers in Serie A, one ahead of retired AC Milan great Gunnar Nordahl (225) but still 48 short of Silvio Piola.
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Lazio's torrid month continued, meanwhile, with a 1-0 reverse in snow-hit Turin where a late goal by Jonathas secured what was only Torino's eighth win of the campaign.
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The visitors were handicapped when French defender Michael Ciani saw red following a sliding challenge on Brazilian striker Paulo Barreto before the quarter hour.
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In difficult conditions, Vladimir Petkovic's men failed to take the few chances they created and were punished in the end.
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Lazio have now won only once since a 2-0 defeat of Atalana in mid-January.
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Juve's 20th win of the campaign on Saturday, after second-half goals from Mirko Vucinic and Claudio Marchisio, was overshadowed by a spat after Bologna accused coach Antonio Conte of going over the top with his celebrations.
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Conte, however, hit back criticising the hostile welcome his club received on their arrival in Bologna.
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"I know it might annoy some people when we win but there was no disrespect," he said.
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"And let's discuss more serious matters – people who welcomed us with stones and sticks, people with children in their arms shouting obscenties.
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"These people should be ashamed, not me. If we're leading the Scudetto race I don't see why I should not celebrate with my fans."
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Conte said nothing is won yet and Napoli striker Edinson Cavani confirmed that by ending his recent goal drought with a brace in a hard-fought win at the San Paolo which took Napoli to within nine points.
Juventus should not relax yet cos anything can still happen in that league. The team's blood dey hot