Having outqualified Williams team-mate Alex Albon at Spa-Francorchamps, Carlos Sainz has been shuffled backwards by a 10-place grid penalty for taking on additional Formula 1 power unit components.
Limits on how many individual power units and various peripheral elements drivers can use through a season form a key pillar of Formula 1's cost-control structure. Until the 2000s, there were no such limits and it was common practice among wealthier teams to install a new engine overnight before the race.
