MUGELLO, Italy (AP) -- World championship leader Jorge Lorenzo of Spain dominated the Italian Grand Prix on Sunday, coming from second on the grid to beat compatriot Dani Pedrosa.

Lorenzo overtook Pedrosa to take the lead on the first turn and remained in front to cruise to a commanding fifth victory of the season.

Pedrosa was 5.223 seconds behind. Andrea Dovizioso of Italy was third, 10.665 seconds behind Lorenzo.

Lorenzo, the 2010 world champion, extended his lead at the top of the standings to 19 points.

Defending world champion Casey Stoner finished eighth, more than 30 seconds behind Lorenzo.

SI Apps
We've Got Apps Too
Get expert analysis, unrivaled access, and the award-winning storytelling only SI can provide - from Peter King, Tom Verducci, Lee Jenkins, Seth Davis, and more - delivered straight to you, along with up-to-the-minute news and live scores.