Formula One driver Liam Lawson remains upbeat, despite starting from the back of the grid in tomorrow morning's US Grand Prix in Texas.

The Racing Bulls driver posted the third fastest time in the opening qualifying session, but failed to record a lap in the second session - eliminating him in 15th position.

Lawson was always condemned to start from 20th, after his team incurred a 60-place grid penalty for exceeding the season's engine allocation.

Motorsport expert Bob McMurray joined Piney to discuss.

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