Toto Wolff warned Kimi Antonelli not to be carried away by the fervour of the Italian public as he put his young driver alongside tennis “superstar” Jannik Sinner. Antonelli’s victory at the Miami Grand Prix was his third in a row, becoming the first Italian to achieve that since Alberto Ascari in 1952, as he overcame reigning champion Lando Norris. The 19-year-old will head to Montreal in three weeks’ time 20 points clear of Mercedes team-mate George Russell as he again underlined his credentials as a genuine title contender. Antonelli’s three wins – his first in F1 – have come on the same day that Sinner clinched victory in Indian Wells, Miami and Madrid. Wolff, who has overseen seven drivers’ championship wins, believes there is fierce pressure on his blossoming star as he put him alongside world number one Sinner. “The easiest bit is making sure that he keeps both feet on the ground within the team, his parents have done a great job in keeping him grounded,” Wolff said.…