F1 Portuguese GP Live Updates - final practice and qualifying

Also on the driver market front, Kevin Magnussen's recently-expressed interest in a move to IndyCar might have resulted in a tie-up with old employers McLaren according to Zak Brown, had his Haas exit been confirmed sooner. The team is expected to replace Oliver Askew with Ganassi's Felix Rosenqvist, who scored his first win at Road America earlier this year.

McLaren would have considered Magnussen for IndyCar seat

McLaren would have considered signing Kevin Magnussen to its IndyCar team had it not already finalised its line-up for 2021, according to Zak Brown

Meanwhile in the latest driver market shenanigans, following acting Williams team principal Simon Roberts stalling over the point of confirming that George Russell would, as announced in July, continue into the third year of his Williams contract in 2021, Toto Wolff said the Mercedes junior driver's fate was out of his hands.

"Obviously there is a financial reality that I cannot judge at all," he said. "It's absolutely the discretion of the new owners and Simon to decide what they want to do going forward."

Here's the full story:

Wolff: Russell's Williams F1 future is out of Mercedes' hands

Mercedes Formula 1 chief Toto Wolff says George Russell's future is entirely for Williams to decide amid Sergio Perez's links to his seat for 2021

Other than Valtteri Bottas continuing his trend of setting the pace on Fridays and Max Verstappen getting into a war of words with Lance Stroll over their Turn 1 clash, what else happened? For starters, the 125 instances of track limits breaches that caused myriad laps to be deleted on Friday has resulted in a rule tweak from the race director Michael Masi:

Portimao track limits revised after 125 lap times deleted ahead of Portuguese GP

Formula 1 race director Michael Masi has revised the track limits guidance at Portimao following Friday's farce when 125 lap times were deleted for infringements

Friday's running was far from clear, with two red flag stoppages during FP2. As Grand Prix editor Alex Kalinauckas explained in his Friday feature, there's a specific characteristic at this new-to-F1 venue that led to many mistakes:

The Sochi-like Portimao feature that even has Mercedes puzzled - F1 - Autosport Plus

Formula 1 got its first proper feel for the Portimao track on Friday, where Mercedes led the way despite the red flag stoppages, as the pack discovered a specific characteristic at the Portuguese GP venue that led to many mistakes