AC Milan maintained their hopes of European qualification with a narrow Derby della Madonnina win against Serie A rivals Inter Milan.
Netherlands midfielder Nigel De Jong clinched victory for Milan when he powered in a header from Mario Balotelli's free-kick.
Eighth-placed Milan are now just three points adrift of Inter, who are fifth.
Finishing sixth will seal a spot in next season's Europa League for seven-time European champions Milan.
AC Milan coach Clarence Seedorf was playing for the Rossoneri on the last occasion - in April 2011 - they beat Inter
Milan, who started the match in 10th position, are a point behind sixth-placed Torino with two matches remaining after their first win over Inter since April 2011.
Dutch coach Clarence Seedorf has catapulted Milan - struggling in the bottom half when he replaced Massimiliano Allegri in January - into European contention by leading them to a sixth win in their last seven league matches.
The hosts dominated the first half at the San Siro, with Brazil attacking midfielder Kaka striking the bar with a superb half-volley.
French defender Phillipe Mexes went close when he headed wide Kaka's 60th-minute corner, before De Jong opened the scoring just five minutes later.
The ex-Manchester City man found space in a packed penalty area to meet Balotelli's indirect free-kick from out wide with a bullet header.
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