Bagnaia is struggling to keep touch with Quartararo and is instead coming under big pressure from Brad Binder.
Quartararo is beginning to close in the on the leading quarter. Speaking of the front four, Miller has overtaken Marquez for P3.
Quartararo is through again on Bagnaia.
It's Bagnaia who has lost a piece of his Ducati, not Quartararo and the Yamaha.
The Yamaha rider is down to sixth but contact has already been made with Bagnaia, as the pair exchanged fifth on six occasions.
This is unbelievable stuff from Quartararo, who has lost a winglet we believe.
Rins leads from Martin and Marquez.
Wow!! Very aggressive from Quartararo as he pushes Miller wide for P4.
What a start from Alex Rins who leads after starting fifth.
The formation lap is underway!
We're just ten minutes away from lights out!
Aleix Espargaro holds the advantage over Enea Bastianini in the battle for third, as the Aprilia rider will start tenth while Bastianini is 13th.
Jorge Martin starts from pole for the third consecutive race ahead of Marc Marquez and Jack Miller.
Whoever claims it, what a heroic effort from both Fabio Quartararo and Francesco Bagnaia.
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Zarco finishes fastest from Marquez and Miller.
Quartararo, who is 11th, won't be improving his time as he's returned to pit lane with two minutes remaining.
Zarco replaces Marquez atop the leaderboard with a time of 1:30.885s.
Miller has reduced Marquez' lead down to under a tenth as Quartararo goes fifth.
Marc Marquez goes underneath the 1m 31s barrier, making him the first rider to do so in Warm-up.
Jack Miller currently leads the way as riders are taking a cautious approach due to cooler conditions.
And we're underway with MotoGP Warm-up at Valencia.
Good morning and welcome to Race day in Valencia. Coming up shortly is Warm-up