One driver returns and another will be making his debut.
Day one of practice is underway at the Red Bull ring in Austria as anticipation builds for Formula One's first Grand Prix of the year.
With a lot of driver transfers agreed in principle for next Season, only two new drivers are lining up on the grid in 2020.
Esteban Ocon returns to the sport with Renault and Nicolas Latifi takes a seat at Williams.
Carlow F1 Journalist with FormulaSpy Thomas Maher gives his expectations for both: