ROME, May 16 (Xinhua) -- Inter Milan won their fifth straight Serie A title thanks to a goal from Diego Milito in a 1-0 win at Siena on Sunday.

AS Roma finished second, two points behind, despite their 2-0 win at Chievo.

It was Inter's 18th scudetto crown and keeps Jose Mourinho's team on course for a historic treble, having already won the Italian Cup and with the Champions League final against Bayern Munich to come in Madrid on May 22.