Friday in Mexico threw up more questions than answers for F1 teams after an unusual day of running.
FP2 was turned over to Pirelli for tyre testing meaning the field could not go through their usual run plans, and even then, disruption hit.
Goerge Russell crashed out heavily whilst Max Verstappen was plagued by engine problems aboard his Red Bull, limiting his running.
For what it was worth, Carlos Sainz ended fastest, but teams enter the final hour of practice with plenty of work still to do.
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Free practice 3 - Mexican
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