Which rookies will drive in Barcelona practice as Hamilton, Antonelli sit out?

Formula 1 teams are set to unleash their rookie reserve drivers during Friday's opening practice session at the Barcelona-Catalunya Grand Prix.After an intense start to the season following the introduction of all-new regulations, a return to the track that hosted the first pre-season test event for the 2026 cars is set to be used by most teams to begin to fulfil their rookie session obligations.