Christian Horner has claimed Purple Bull’s rivals have ‘already’ launched protests in opposition to Purple Bull after FP1 on the Azerbaijan Grand Prix. Max Verstappen’s rear wing was seen fluttering within the first observe session in a problem which may increase some eyebrows. Nonetheless, the issue didn’t seem on Sergio Perez’s automotive which may counsel the workforce had been attempting one thing new. When requested if Mercedes or Ferrari may quickly complain to the FIA about it, Horner laughed that they already had.However, the Purple Bull workforce principal confirmed the fluttering didn’t give the workforce any tempo benefit and hoped the workforce may clear up the difficulty as quickly as potential.Horner stated: “I feel they’ve already finished that. Clearly, we have seen it we have got the information from it, we have got the comparability to Sergio [Perez’s] wing, so I feel there’s some modifications or some tuning that we have to just do to make it possible for we eradicate that for this afternoon.He added: “This doesn’t provide you with a efficiency benefit. READ MORE: Max Verstappen had a chat with dad after he fired pictures at Purple BullThe problem did not seem to offer Verstappen any tempo benefit as Perez topped the timesheets in FP1. The Mexican was round three-tenths quicker than Verstappen who was solely quick sufficient for third. At first of the second free observe session. Purple Bull mechanics may very well be seen nonetheless engaged on the again of the automotive and appeared to have changed the wing utterly. It is an essential weekend for Verstappen who faces a double problem to his F1 championship lead at a observe he has solely secured one end from his final 4 begins. Charles Leclerc has by no means completed on the rostrum in Baku however Ferrari are so much nearer this season and are Purple Bull’s nearest challengers. Nonetheless, Perez gained this race final 12 months and has soared since signing a brand new two-year contract extension forward of the Monaco Grand Prix so may very well be troublesome to beat.