Bottas, Hamilton top Spanish GP practice for Mercedes

Mercedes driver Valtteri Bottas of Finland sits in the garage during the first free practice at the Barcelona Catalunya racetrack in Montmelo, just outside Barcelona, Spain, Friday, May 10, 2019. The Formula One race will take place on Sunday. (AP Photo/Manu Fernandez)

The steering wheel of Mercedes driver Lewis Hamilton car is carried by a mechanic during the first free practice at the Barcelona Catalunya racetrack in Montmelo, just outside Barcelona, Spain, Friday, May 10, 2019. The Formula One race will take place on Sunday. (AP Photo/Manu Fernandez)

Mercedes driver Valtteri Bottas of Finland steers his car during a free practice at the Barcelona Catalunya racetrack in Montmelo, just outside Barcelona, Spain, Friday, May 10, 2019. The Formula One race will take place on Sunday. (AP Photo/Joan Monfort)

Ferrari driver Charles Leclerc of Monaco prepares at his garage, prior to the start of the second free practice at the Barcelona Catalunya racetrack in Montmelo, just outside Barcelona, Spain, Friday, May 10, 2019. The Formula One race will take place on Sunday. (AP Photo/Joan Monfort)

Mercedes driver Lewis Hamilton of Britain prepares prior to the start of the first free practice at the Barcelona Catalunya racetrack in Montmelo, just outside Barcelona, Spain, Friday, May 10, 2019. The Formula One race will take place on Sunday. (AP Photo/Manu Fernandez)

Ferrari driver Charles Leclerc of Monaco leads his teammate Ferrari driver Sebastian Vettel of Germany during the first free practice at the Barcelona Catalunya racetrack in Montmelo, just outside Barcelona, Spain, Friday, May 10, 2019. The Formula One race will take place on Sunday. (AP Photo/Manu Fernandez)

Ferrari driver Sebastian Vettel of Germany prepares at his garage, prior to the start of the second free practice at the Barcelona Catalunya racetrack in Montmelo, just outside Barcelona, Spain, Friday, May 10, 2019. The Formula One race will take place on Sunday. (AP Photo/Joan Monfort)