McLaren team boss Andrea Stella thinks Oscar Piastri sitting out FP1 for rookie Leonardo Fornaroli had a bigger impact on his Hungarian GP weekend than not trialling the team's new floor until Saturday.<br>Piastri has been on the back foot compared to team-mate Lando Norris all weekend in Budapest, by first having to cede his car to rookie runner Fornaroli in FP1, and then remaining on the team's ...<a class='more' href='https://www.motorsport.com/f1/news/mclaren-responds-to-oscar-piastri-not-ideal-upgrade-frustration/10841995/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-F1&utm_term=News&utm_content=www'>Keep reading</a>