Previewing F1 2022: Mercedes facing stern challenge from Ferrari and Red Bull

After three months, it's time for Formula 1 to roar back into life this weekend as the 2022 season begins in Bahrain. A fascinating pre-season testing period suggests it's all to play for between F1's three big teams, with Red Bull and Ferrari seemingly enjoying a small advantage over Mercedes on the final runs of the last day of testing. Are Mercedes really playing catch-up? Will Ferrari mount their first strong title challenge since the 2018 season? Looking ahead to the 2022 F1 season an...