A 1m17.203s for Norris, 0.2s ahead of Sainz (also on the mediums). Leclerc and Russell complete the top four, also on the same tyre.
A 1m17.444s for Sainz, putting him 0.4s ahead of Leclerc. Alonso completes the top three now.
A 1m18.173s for Stroll, 0.3s ahead of Bottas in second.
Here we go then. Qualifying is underway in Mexico.
McLaren look to be the team to beat over one lap in FP3, with Ferrari as their nearest challenger.
In terms of Q1, expect the Alpines, Saubers and Williamses to be in the mix at the bottom.
- McLaren look favourites for pole with Piastri leading Norris in FP3
- Ferrari are in the mix, but will fancy their chances in the race based on recent form
- Red Bull look a step behind as Verstappen and Perez complained about the front-end on their RB20
We're now building up to qualifying which kicks off at 10pm UK time.
The results from final practice in Mexico
Piastri, Norris, Sainz, Verstappen, Hamilton, Leclerc, Tsunoda, Russell, Magnussen and Lawson.
Piastri gives McLaren a 1-2 in final practice, with Sainz just behind in third.
Piastri, Norris, Sainz, Verstappen, Hamilton, Leclerc, Tsunoda, Russell, Lawson and Albon is the top 10.
Sainz slots into third, 0.3s off the pace. Leclerc only manages sixth, 0.7s down on Piastri.
Piastri goes ahead of Norris, with 0.059s between the top two. Hamilton slots into fourth, just behind Verstappen.
A 1m17.003s for the Red Bull driver, putting him 0.3s ahead of Sainz.
Sainz remains on top ahead of Leclerc, Tsunoda, Norris, Colapinto, Piastri, Perez, Hamilton, Russell and Magnussen.
It's now a 1m17.334s for Leclerc as he lowers the best time of the session again.
One of Leclerc's mechanics loses his footing when instructing the Ferrari driver to leave the garage.
The mechanic deals with it perfectly with a nice roll. No injuries or damage done.
Sainz, Leclerc, Norris, Hamilton, Russell, Magnussen, Hulkenberg, Perez, Piastri and Verstappen.
A 1m17.447s, 0.169s ahead of Leclerc. Weirdly, Sainz didn't set a personal best in any of the sectors.
A 1m17.616s for the Ferrari driver, 0.2s ahead of Sainz. Ferrari's good form continues.
He has a spin towards the end of the lap in the stadium section. No harm done as he keeps his car out of the barriers.
Sainz, Leclerc, Norris, Hamilton, Russell, Piastri, Verstappen, Stroll, Alonso and Hulkenberg.
Sainz on top with a 1m17.825s, 0.064s ahead of teammate Leclerc.
A tidy lap from the seven-time world champion as he sets a 1m18.123s, a tenth ahead of Russell.
The two Mercedes drivers have also opted for the soft tyre. Russell pips Verstappen - 0.045s between those two. Hamilton slots into third.