With four rounds to go in the 2025 Formula 1 world championship, Oscar Piastri will have to confirm he can overcome his late season slump as he battles Lando Norris for the world title.<br>After Norris' calamitous retirement in Zandvoort, Piastri's lead ballooned to 34 points, meaning a drama-free end to the season for Piastri would have made it extremely difficult for Norris to come back ...<a class='more' href='https://www.motorsport.com/f1/news/can-oscar-piastri-stop-the-rot-at-f1s-brazilian-grand-prix/10773807/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-F1&utm_term=News&utm_content=www'>Keep reading</a>