8:02 AM ET Sebastian Vettel said he will not publicly compare Aston Martin’s Mercedes engine to Ferrari’s out of respect to his former team. Vettel joined Aston Martin for its return F1 project this year, after his six-year stint with Ferrari came to an end. It is his first time driving a Mercedes power unit

1:17 PM ET Formula One commentary legend Murray Walker has died aged 97, the British Racing Drivers’ Club confirmed on Saturday. Walker was the lead commentator on British TV for over two decades, working for the BBC between 1976 and 1996 and ITV between 1996 and 2001. A BRDC statement read: “It is with great

4:43 AM ET Laurence Edmondson Close F1 Editor • Joined ESPN in 2009• An FIA accredited F1 journalist since 2011 Nate Saunders Close F1 Associate Editor • Previously worked in rugby union and British Superbikes • History graduate from Reading University• Joined ESPNF1 in February 2014 Formula One’s second day of three preseason tests is underway at the Bahrain International

5:30 AM ET Mercedes, Red Bull and McLaren bosses, whose teams were the top- three in Formula One last year, have given their backing to proposed Saturday sprint qualifying races. 1 Related The sport is expected to confirm the experiment, which would award championship points on Saturday as well as in Sunday’s race, for a

8:44 AM ET Fernando Alonso says his Formula One return will not be affected by the broken jaw he suffered earlier this year. Alonso’s preparations hit a setback last month when he was knocked off his bike in Switzerland. He suffered a fractured upper jaw and underwent surgery to have two titanium plates fitted to

12:27 PM ET Laurence Edmondson Close F1 Editor • Joined ESPN in 2009• An FIA accredited F1 journalist since 2011 Nate Saunders Close F1 Associate Editor • Previously worked in rugby union and British Superbikes • History graduate from Reading University• Joined ESPNF1 in February 2014 Formula One is set for three days of preseason testing in Bahrain this weekend

2:13 AM ET Laurence Edmondson Close F1 Editor • Joined ESPN in 2009• An FIA accredited F1 journalist since 2011 Nate Saunders Close F1 Associate Editor • Previously worked in rugby union and British Superbikes • History graduate from Reading University• Joined ESPNF1 in February 2014 This page will be updated during the day with news and developments from the

1:50 PM ET Alfa Romeo’s F1 boss Frederic Vasseur will miss the three days of preseason testing in Bahrain after testing positive for COVID-19. Vasseur tested positive and immediately entered self-isolation in France. Two days later he had a test and returned a negative result and is displaying no symptoms. However, he will not travel

8:31 AM ET Niamh Lewis This article is part of ESPN’s coverage of Women’s History Month. Twelve years ago Chloe Targett-Adams joined Formula One as a corporate lawyer, and is now the sport’s director of global race promotions. When she walked into the office for the first time, there were more women present than anywhere

12:27 PM ET Most Ferrari Formula One team members have taken up Bahrain’s offer of COVID-19 vaccinations ahead of testing and this month’s season-opener, despite the sport’s stated reluctance to jump any queues. 1 Related The Gazzetta dello Sport newspaper reported on Wednesday that 90% of Ferrari staff travelling to Bahrain had accepted the offer