The seemingly unstoppable Red Bull driver Sebastian Vettel put in another dominant qualifying performance on Saturday to claim pole position for the Formula One Chinese Grand Prix. Vettel earned his third straight pole to start the season -- and will be aiming for his third straight win -- by going an impressive 0.70 seconds quicker than McLaren's Jenson Button, who qualified ahead of his teammate Lewis Hamilton. "We did it again," Vettel said. "I keep reminding myself and the team that it is always tough." Mercedes' Nico Rosberg will start from fourth on the grid, ahead of the Ferrari pair of Fernando Alonso and Felipe Massa. Read more: http://sports.espn.go.com/rpm/racing/f1/news/story?id=6367773