AC Milan leapfrogged bitter rivals Inter with a comfortable 4-0 victory over Palermo.
Suso came back from injury and scored an early free kick, before setting up Mario Pasalic for Milan's second.
Carlos Bacca headed in a third before half-time and Gerard Deulofeu scored after the break.
Palermo defender Giancarlo Gonzalez was sent off following a second booking seven minutes from time.
Palermo remain eight points from survival with only seven games left.
Information from the Press Association was used in this report.