Sebastian Vettel finished off the 2013 season in style with a ninth successive victory at the Brazilian Grand Prix on Sunday. The four-time world champion was followed across the line at Interlagos by his teammate Mark Webber in what was his last ever outing as a F1 driver. The veteran Australian is leaving Red Bull to begin a new career with Porsche on the sportscar racing circuit. Ferrari's Fernando Alonso took third with Jenson Button's McLaren in fourth. Source: AFP