Which MotoGP rider do you see in lead during 2019?

MotoGP 2019 session finalist riders, including notable changes and replacement. Do you think all these changes make this season more challenging for the main lead riders or not?

MotoGP 2019 session finalist riders, including notable changes and replacement. Do you think all these changes make this season more challenging for the main lead riders or not? http://ifttt.com/images/no_image_card.png