Lambiase reveals: 'Would Perez unfairly limit his first impression RB20'

Gianpiero Lambiase, the race engineer at Red Bull Racing, explains why Sergio Perez was also in charge of the second session on the second day of testing. The morning session was cut short early after a red flag due to a piece of kerbstone drain on the track. GP explains the decision not to put Max Verstappen behind the wheel for the afternoon session.