Hamilton, Bottas lead the way for Mercedes at Australian GP

Mercedes driver Lewis Hamilton of Britain answers a question during the drivers press conference ahead of the Australian Formula One Grand Prix in Melbourne, Australia, Thursday, March 14, 2019. The season-opening Australian Grand Prix will be raced here on Sunday, March 17. (AP Photo/Andy Brownbill)

Mercedes driver Lewis Hamilton of Britain turns a corner during the first practice session of the Australian Grand Prix in Melbourne, Australia, Friday, March 15, 2019. The first race of the year is Sunday. (AP Photo/Andy Brownbill)

Ferrari driver Sebastian Vettel of Germany drives down pit lane during the first practice session of the Australian Grand Prix in Melbourne, Australia, Friday, March 15, 2019. The first race of the year is Sunday. (AP Photo/Rick Rycroft)

Ferrari team principal Mattia Binotto, left, stands in front of Sebastian Vettel's garage during the first practice session of the Australian Grand Prix in Melbourne, Australia, Friday, March 15, 2019. The first race of the year is Sunday. (AP Photo/Rick Rycroft)

Ferrari driver Sebastian Vettel of Germany, left, poses with a fan as he arrives at the track of the Australian Grand Prix in Melbourne, Australia, Friday, March 15, 2019. The first race of the year is Sunday. (AP Photo/Rick Rycroft)

Renault driver Daniel Ricciardo of Australia signs autographs as he arrives at the track of the Australian Grand Prix in Melbourne, Australia, Friday, March 15, 2019. The first race of the year is Sunday. (AP Photo/Rick Rycroft)

Mercedes driver Lewis Hamilton of Britain leaves his garage during the first practice session of the Australian Grand Prix in Melbourne, Australia, Friday, March 15, 2019. The first race of the year is Sunday. (AP Photo/Rick Rycroft)

Red Bull driver Max Verstappen of the Netherlands sits in his car during the first practice session of the Australian Grand Prix in Melbourne, Australia, Friday, March 15, 2019. The first race of the year is Sunday. (AP Photo/Rick Rycroft)

Ross Brawn, Formula One Managing Director of Motorsports, wears a black armband after the death of FIA Formula One Race Director Charlie Whiting, during a press conference at the Australian Grand Prix in Melbourne, Australia, Friday, March 15, 2019. The first race of the year is Sunday. (AP Photo/Andy Brownbill)

Renault driver Nico Hulkenberg of Germany, left, talks with technicians in his garage during the first practice session of the Australian Grand Prix in Melbourne, Australia, Friday, March 15, 2019. The first race of the year is Sunday. (AP Photo/Rick Rycroft)

Formula One chairman Chase Carey, right, and FIA boss Jean Todt comment during a press conference after the first practice session of the Australian Grand Prix in Melbourne, Australia, Friday, March 15, 2019. The first race of the year is Sunday. (AP Photo/Andy Brownbill)