Inter Milan 0-0 SampdoriaLeaders Inter Milan had Walter Samuel and Ivan Cordoba sent off in a bad-tempered goalless draw with Sampdoria at the San Siro.
Inter found themselves down to nine men with 52 minutes to play following the dismissals of Samuel and Cordoba, while referee Paolo Tagliavento also sent off Sampdoria's Giampaolo Pazzini midway through the second half.
Despite the numerical advantage, Samp could not find their way past a resilient Inter side who secured Mourinho's 130th home league match without defeat, stretching across spells with Porto, Chelsea and Inter.
AS Roma 1-0 CataniaMirko Vucinic's first-half goal earned Roma a 1-0 win at home to Catania on Sunday and moved them to within five points of Serie A leaders Inter Milan.
The Montenegrin scored in the 18th minute as the Giallorossi won for the seventh game running in the league.
Bari 0-2 AC MilanAC Milan, who have a game in hand on the top two, are two points further back after a 2-0 win at Bari.
Marco Borriello opened the scoring two minutes before the break and Alexandre Pato doubled the advantage in the 69th minute as Leonardo's side bounced back from their Champions League defeat to Manchester United in midweek.
Bologna 1-2 JuventusGoals from Diego and Antonio Candreva gave Juventus back-to-back league wins for the first time since November with a 2-1 success at Bologna.
Diego's early goal for the Old Lady was cancelled out in the 50th minute by Antonio Busce before substitute Candreva sealed the points midway through the second half to continue Juve's improvement under Alberto Zaccheroni.
Palermo 3-1 LazioPalermo claimed a 3-1 win at home to Lazio to move up to fifth - level on points with Napoli and Sampdoria in sixth and seventh.
Abel Hernandez opened the scoring within a minute, Fabrizio Miccoli added a second from the spot midway through the first half and Antonio Nocerino made it 3-0 after 75 minutes.
Aleksandar Kolarov pulled one back three minutes later for struggling Lazio, but it was no more than a consolation.
Italian Serie A Top Six Standings
Team Pl W D L Fr Ag Pts Inter Milan 25 16 7 2 49 20 55 AS Roma 25 15 5 5 43 27 50 AC Milan 24 14 6 4 41 24 48 Juventus 25 12 5 8 40 33 41 Palermo 25 11 7 7 35 31 40 Napoli 25 10 10 5 32 30 40