Carlos Sainz and Sergio Perez crashed into each other at the Azerbaijan Grand Prix as Oscar Piastri won the event in Baku. Charles Leclerc went into the event on pole after impressing in qualifying but Piastri was hot on his heels right from the beginning of the race. In the closing stages, four men were in contention to claim victory. But a crash betwen Sainz and Perez paved the way for Piastri to claim his second victory of the season following his triumph in Hungary earlier in the campaign. Piastri came from a long way back to overtake Leclerc and produced one of the best performances of hi…