McLaren rookie Lewis Hamilton, already the only driver in Formula One history to finish his first three races on the podium, feels he can be a winner this season.
Double world champion Fernando Alonso expects to have more overtaking opportunities at his home Spanish Grand Prix next week as a result of changes to the Circuit de Catalunya.
BMW Sauber have ruled out using test driver Sebastian Vettel for Friday practice at grand prix weekends for the time being as they challenge McLaren and Ferrari.
Kevin Harvick and Jamie McMurray have each been fined $25,000 and placed on probation for making contact during a caution at Talladega Superspeedway on Sunday, NASCAR said on Wednesday.
Brazilian Felipe Massa kept Ferrari on top of the Formula One test timesheets for the third day in a row at Barcelona's Circuit de Catalunya on Wednesday.
Williams called an end to their Barcelona test a day early on Wednesday after Nico Rosberg wrecked his car in a high-speed crash.
"I have had a few phone calls from different people and I've told them the same," the Briton told Autosport magazine in an interview.
World champion Jorge Lorenzo blew away his rivals at the China Grand Prix on Sunday, winning his third race in four outings this season and extending his lead in the 250cc title race to 27 points.
Valentino Rossi took pole position in the Grand Prix of China on Saturday with a lap of one minutes 58.424 seconds.
American John Hopkins had the fastest time after two free practice sessions Friday for Sunday's MotoGP Chinese Grand Prix.
Jeff Gordon won the Aaron's 499 at Talladega (Ala.) Superspeedway under caution on Sunday to move past Dale Earnhardt on NASCAR's all-time victory list.
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