Red Bull may be looking to tweak more than just their livery, after their driver line-up change for Japan, according to Helmut Marko.

Even for a team with a reputation for making sudden midseason driver swaps, to move this early in the year feels abrupt.

Following the decision to promote Yuki Tsunoda to the Milton Keynes-based outfit, Red Bull's motorsport advisor Dr Helmut Marko insists that the Austro-British team was forced to act after two dismal races for Liam Lawson.