Red Bull has commenced its incremental upgrade push to try and close the gap with the leading McLaren cars, starting with a revised floor design for the Miami sprint weekend, which Verstappen will trial.

Some quarters also questioned Red Bull’s decision to sign Lawson for its senior team in the first place, given it had a far more experienced driver like Yuki Tsunoda waiting in the wings. Horner has now defended the decision to swap the seats, saying a return to Racing Bulls offers Lawson a chance to continue his development in F1.

Red Bull has brought updates to this weekend's Miami GP in a bid to overcome its deficit to F1 championship leaders McLaren