Ferrari's Sebastian Vettel takes pole for Sunday's race
German's 50th pole position in F1
Red Bull's Max Verstappen second and Lewis Hamilton third
Bottas fourth and Raikkonen fifth
Hamilton can seal title on Sunday - needs to finish fifth
BBC Radio 5 live sports extra
And we are live on BBC Radio 5 live sports extra with our commentary team of Jack Nicholls, Allan McNish and Tom Clarkson.
Click the play button at the top to listen along.
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Dan Bell: Lewis Hamilton is one of the greatest of all time but still doesn't get the credit he deserves.
Jeremiah Kariuki: So, the temperatures playing into the hands of Mercedes? Talk of a team that has everything going for them.
Sunny and a bit warmer than earlier on. It is a lovely day in Mexico City.
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Kelvin Searle: If Bottas is having a bad year how come he could still end up 2nd? That makes around 18 people having a worst year?
Phil Slocombe: Would love to see Valtteri beat Seb to make it a tight battle for 2nd in the championship.
Jeremiah Kariuki: Six cars going head to head for the pole! Bottas could be a surprise pole sitter.
Image source, Getty ImagesForce India deputy team principal Otmar Szafnauer speaks to Sky Sports about the relationship between his drivers Sergio Perez and Esteban Ocon.
The pair have had a strained partnership since bouncing their cars off each other at the Belgian GP.
"It was a case of reasonable people with the same information will come to the same conclusion. Nobody is better off if they crash into each other and they understand that."
Haas' Kevin Magnussen has just tweeted, and is hoping for a bit more pace than what his team have shown so far this weekend.
BBC Sport app users may need to click on the link to see the tweet.
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We've had three practice sessions in Mexico already this weekend and there have been three drivers who have gone fastest.
Valtteri Bottas was fastest in session one, Daniel Ricciardo was quickest in session two, with Max Verstappen the leading man earlier today.
Lewis Hamilton was second in all three sessions.
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8 Na Ja Pe 8: There will never be a more undeserving champion in F1 history than Lewis Hamilton. Would love a colossal Vettel comeback.
We are live on BBC Radio 5 live sports extra of qualifying from 18:55 BST.
This is going to be a sensational hour of qualifying if Matty (from the block) is correct.
Still time to make your suggestions by clicking here.
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As always we want your thoughts on the action.
What do you expect / hope will happen over the next hour and a half?
Tweet us using the hashtag #bbcf1
These guys are on damage-limitation mode only today.
A reminder of track penalties so far.
This is well worth listening to.
Former world champion Jenson Button spoke to BBC Radio 5 live earlier this week and revealed the real reason he won the world title - by playing computer game Super Mario Kart as a youngster.
You can listen to it again below.
Button revealed his preferred character was Bowser.
There is still time to predict who will top qualifying. Here are some of your predictions.
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Wonder what this cheeky pair are planning?
Image source, Getty ImagesSo, a shoot-out between the big six of Lewis Hamilton, Valtteri Bottas, Sebastian Vettel, Kimi Raikkonen, Max Verstappen and Daniel Ricciardo is expected in qualifying.
But only Hamilton out of that bunch has the experience of grasping pole in Mexico.
The Briton converted pole into victory last year, having come second in qualifying and the race in 2015 (behind Nico Rosberg).
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Andrew Benson
BBC Sport’s chief F1 writer
Lewis Hamilton says he wants to clinch his fourth world title "the right way" by winning Sunday's Mexican Grand Prix.
The Mercedes driver needs only to finish fifth in Mexico City, even if rival Sebastian Vettel of Ferrari wins the race.
"I want to show what I'm capable of in every race," said the 32-year-old Briton.
"I have no desire to finish fifth and win the championship while someone else stands on the top step."
He added: "The dream would be to stand on the top step having won the championship."
Image source, Getty ImagesAnd this is why Sebastian Vettel is under so much pressure. He has to be absolutely flawless from now until the season, and hope Lewis Hamilton falls apart.
With three races of the year left, this is how we stand.
Image source, .Welcome back for what is going to be a vital evening of racing as Sebastian Vettel needs to produce something special in Mexico.