The reason for doing so was not disclosed in the statement.
Here's a look at some key moments which helped decide the championship fight.
Piastri now leads Britain's Norris by 14 points with five rounds and two sprints remaining, while Verstappen has slashed his gap to the Australian to 40 after being 104 behind at the end of August.
There was no official confirmation from the team or their Austrian owners.
Christian Horner was the longest-serving team principal, having been in the position since Red Bull made its Formula One debut in 2005.
McLaren's Lando Norris edged out championship-leading teammate and Formula One title rival Oscar Piastri to take pole position for what could be a wet and chaotic Belgian Grand Prix on Sunday.
Charles Leclerc stunned favourites McLaren by seizing pole position at the Hungarian Grand Prix on Saturday as Ferrari teammate Lewis Hamilton described himself as useless and suggested he should be replaced.
Yuki Tsunoda said he has not been offered any guarantees about how long he will stay at Red Bull
Drivers watched in amusement as the monitor lizard, a familiar sight in Singapore, reacted to the chase with a sudden burst of speed after sauntering onto the circuit shortly after the start of the daylight session.
Red Bull's triple World champion Max Verstappen claimed pole position on Saturday for the Miami Grand Prix, to start from the front of the grid for the sixth straight race this season.
Formula One and the championship-leading Red Bull team mourned the death of the energy drink company's Austrian founder Dietrich Mateschitz on Saturday at the age of 78.
The 25th Laureus World Sports Awards will take place in Madrid, Spain on April 22, it was announced on Wednesday.
It is doubtful there has been a more popular winner of a Formula One race in recent years than McLaren's Lando Norris, who was celebrated by everyone from Max Verstappen to Donald Trump following his victory at the Miami Grand Prix on Sunday.
An angry Leclerc dropped to fourth after Ferrari called him in again for slicks and then told him, too late, to stay out after Sainz also pitted and went directly from wets to the dry tyres.
Max Verstappen celebrated a record 10th win in a row by leading Red Bull team mate Sergio Perez one-two at Ferrari's home Italian Grand Prix
Red Bull's Max Verstappen sang "Viva Las Vegas" after racing to a record-extending 18th victory of the season and joining Sebastian Vettel in third place on Formula One's all-time winners' list.
Formula One teams will operate in bubbles within bubbles when the season starts behind closed doors in Austria next week after being stalled since March due to the COVID-19 pandemic. There will be no spectators, no sponsors or VIP guests wandering the paddock and limited social interaction even between team mates.
Formula One teams are keeping a close eye on the health situation in Vietnam after the Chinese Grand Prix was postponed due to the coronavirus epidemic, McLaren boss Zak Brown said on Thursday. The sport is due to make its debut in the country, which borders China, on April 5 with a street race in the capital H
India's Jehan Daruvala finished a creditable second in the sprint race of the Formula 2 Championships in Imola on Saturday
Ferrari's Charles Leclerc will line up alongside on the front row after a final qualifying session that ended with Verstappen's Mexican team mate Sergio Perez crashing at the final corner.
Verstappen had started the race level on points with Hamilton but 9-8 ahead on wins, and there were fears a collision could settle the outcome.
Sixty-five thousand fans were on their feet as they watched their home hero Max Verstappen fend off title rival Lewis Hamilton to snatch pole position for the returning Dutch Grand Prix on Saturday.
IMAGES from the Belgian F1 Grand Prix
Formula One leader Max Verstappen passed Mercedes rival Lewis Hamilton on the penultimate lap to win a tense French Grand Prix for Red Bull on Sunday and canter 12 points clear at the top.
The Dutchman stopped Hamilton from winning an eighth title with a gutsy turn in the final lap.
McLaren's Australian Daniel Ricciardo will join the Dutch 23-year-old on the front row for the first time since the pair were team mates at Red Bull in 2018.
The two drivers signed identical one-year contracts with an option for additional years with Red Bull Racing.
An ardent fan of F1 driver, Max Verstappen, Yuvraj keenly follows the Scuderia Ferrari Formula1 team.
Max Verstappen won the Spanish Grand Prix in a Red Bull one-two on Sunday
World champions Ferrari will supply Formula One newcomers Red Bull Racing with engines for 2006 and 2007.
Red Bull represent the 33-year-old's best chance of staying in the sport after a decade with Williams and McLaren.
The Red Bull Formula One factory in Milton Keynes has been raided and thieves stole over 60 trophies.
The Dutchman seized the title after overtaking Hamilton on the last lap of the race amid uproar.
Statistics for Sunday's season-ending Abu Dhabi Formula One Grand Prix at the Yas Marina circuit.
Daniel Ricciardo claimed his maiden Formula One win of the season in Sunday's Malaysian Grand Prix after reigning world champion Lewis Hamilton retired from the lead with a blown engine. The Australian's Red Bull team mate Max Verstappen finished second to score the former champions' first one-two finish since the 2013 Brazilian Grand Prix, denying Mercedes the chance to wrap up the constructors' title at the Sepang circuit.
Team boss Christian Horner said Verstappen's lap of one minute 22.109 seconds was one of his best of the year and the Dutch driver sounded remarkably relaxed given the amount of pressure on him.
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.
Vonn drove Formula Renault 3.5 at Red Bull Ring in Spielberg, Austria on June 14, 2016.
Red Bull's Daniel Ricciardo won a chaotic Azerbaijan Grand Prix on Sunday, with Formula One championship leader Sebastian Vettel finishing fourth after being penalised for swerving into rival Lewis Hamilton who came home in fifth.