Red Bull ace Sergio Perez brands Qatar GP's track limits penalty a 'joke

Sergio Perez almost lost lead of Monaco Grand Prix after slamming on brakes to avoid bird - Daily Star

Qatar Grand Prix 2021: race report and reaction

Perez brands Miami track surface “a joke” as drivers fear poor race

Lance Stroll offers solution to Qatar GP trouble

Max Verstappen accuses Sergio Perez of foul play with F-bomb rant at Austrian Grand Prix - Daily Star

Max Verstappen caps world title by winning Qatar Grand Prix: F1 – as it happened, Formula One

Last-Minute Policing a Joke': Sergio Perez Shifts Blame Onto F1 as Helmut Marko Pressures Him to Change Teams - EssentiallySports

FIA president threatens to cancel Qatar Grand Prix