Mercedes raised a few eyebrows when it fast-tracked its junior phenom Andrea Kimi Antonelli's Formula 1 debut to replace Lewis Hamilton. For a teenager who had only made his first tentative steps in single-seater racing in 2021 and had skipped the F3 level altogether, the challenge doesn't get much bigger than representing a top team and stepping in a seven-time world champion's shoes – even if ...<a class='more' href='https://www.motorsport.com/f1/news/25-12-f1-2025-recap-kimi-antonelli-shows-flashes-of-promise-in-mercedes-rookie-year/10786189/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-F1&utm_term=News&utm_content=www'>Keep reading</a>