Former Milan defender Alessandro Costacurta admits the match against Napoli will be extremely crucial...
"I believe the defeat suffered in Madrid will inevitably affect the match at the San Paolo," he said to Sky Sports.
"Milan can risk a lot against Napoli as [coach Walter] Mazzarri's team has all the features and techniques to hurt [coach Massimiliano] Allegri's side. Then there is also an entire stadium in support of the eleven players of Napoli and that should not be underestimated."
Milan can jump into sole possession of second place with a win in Naples, but the Partenopei have the chance to leapfrog the Rossoneri with a victory. The teams kick-off at 20:45 CET. You can check out Goal.com's preview of the match by clicking here.