Multiple world champion Pellegrini tests positive for COVID-19.
Renault's championship leader Fernando Alonso was pushed off the front row for his home Spanish Grand Prix.
Red Bull's Mexican Sergio Perez was a distant third, struggling with dehydration after a water bottle failure in the Texas heat.
Michael Schumacher made an inauspicious start to the defence of his world championship at the Australian Formula One Grand Prix.
Formula One will look very different this season due to rule changes.
Lewis Hamilton won the Chinese Grand Prix to seize the overall lead from his Mercedes team mate Valtteri Bottas in Formula One's 1,000th world championship race on Sunday.
The win also set a record, one that Hamilton had previously shared with seven times champion Michael Schumacher, of 41 wins from pole position.
Briton Lewis Hamilton stormed to pole position at the German Grand Prix on a mixed Saturday for Mercedes, whose misjudgement left last week's Silverstone winner Nico Rosberg 11th on the grid for their home race.
Lewis Hamilton was 'shocked' with the pace of Mercedes after notching a record-extending eighth pole position at the Australian Grand Prix ahead of team mate Valtteri Bottas as they thrashed their Formula One rivals in qualifying on Saturday.
Nico Rosberg ended the Formula One season on a winning high in Abu Dhabi on Sunday with team mate and triple world champion Lewis Hamilton following him home in a record 12th one-two finish for dominant Mercedes.
"To say it was a difficult weekend for the team would be somewhat of an understatement," McLaren boss Ron Dennis said.
Red Bull's Mark Webber faces a 10-place grid penalty at the Korean Grand Prix after being reprimanded for hitching a lift on Fernando Alonso's Ferrari at the end of Sunday's race in Singapore.
Ferrari's world champion Michael Schumacher retired from Sunday's inaugural Turkish Grand Prix after an early collision with Mark Webber's Williams.
Can Mercedes' seven-time world champion Lewis Hamilton add to his record tally of 103 victories?
F1 world champion Michael Schumacher collided with Australian Mark Webber's Jaguar in the French Grand Prix pitlane.
The F1 team released Mark Webber from 2005 season contract as it faces an uncertain future on the track.
Former world number one Maria Sharapova made a winning comeback to the tour on Wednesday following her 15-month doping ban, beating Italian Roberta Vinci in straight sets in the first round of the Stuttgart Grand Prix.
The Sahara Force India celebrated its 100th race in style, scoring seven points with Paul Di Resta and Adrian Sutil finishing in seventh and 10th places respectively at the Canadian Grand Prix in Montreal.
A student of Delhi's Ramjas College, Antil was an able-bodied wrestler before his accident. A para athlete in his village initiated him to the sport in 2018.
Australia's Leisel Jones has set a world record in the 200 metres breaststroke at a domestic grand prix meeting.
Germany's Nico Rosberg celebrated his first Formula One world championship on Sunday after finishing runner-up in a tense Abu Dhabi Grand Prix won by Mercedes team mate Lewis Hamilton amid accusations of 'dirty tricks'.
Summary of sports events and persons who made news on Sunday.
Summary of all sports events and persons that made news on Thursday.
Daniel Ricciardo showed Red Bull's pace on Wednesday by lapping Barcelona's Formula One circuit faster than anyone since the track was reconfigured in 2007.
Formula One world champion Lewis Hamilton won the Bahrain Grand Prix for the second year in a row on Sunday with Ferrari's Kimi Raikkonen back on the podium to deny Mercedes another one-two finish under the floodlights.
Formula One will make it mandatory for all personnel working in its paddock to be fully vaccinated against COVID-19, without exemption, starting this season.
Outgoing MotoGP champion Marc Marquez snatched the lead from Jorge Lorenzo on a thrilling last lap to win a classic Australian Grand Prix.
Next year's season-opening Australian Formula One Grand Prix in Melbourne will move forward to March 20 after previously being listed for a later than usual start on April 3, organisers said on Wednesday.
Toro Rosso's Carlos Sainz fears he and some other Formula One drivers have had to lose so much weight before the season starts, to compensate for heavier cars, that they risk compromising their health.
Summary of sports events and persons who made news on Monday
Olympic bronze-medallist Saina Nehwal stood just one win away from clinching her maiden China Open title after she stormed into the finals of the USD 700,000 Super Series Premier tournament in Fuzhou.
Seven times world champion Lewis Hamilton hunted down Max Verstappen to win the Sao Paulo Grand Prix for Mercedes on Sunday and slash his Red Bull rival's Formula One lead to 14 points in one of the greatest drives of his career.
Lewis Hamilton, who is also an avid tattoo lover, revealed that each image on his body has a meaning to it.
Two motorcycle riders have died in separate accidents on the opening day of the annual Isle of Man TT races, organisers said.
The 30-year-old Russian, who has won five Grand Slams and is among the highest-paid athletes in the world, returned to action on Wednesday with a straight sets win over Roberta Vinci following her suspension for the use of banned substance meldonium.