Time for Vettel to prove his mettle

Mercurial German driver running out of chances to deliver elusive F1 crown to Ferrari

PARIS - After collapsing under pressure in the past two seasons, this could be Sebastian Vettel's last chance to show he can deliver a long-awaited Formula One title for Ferrari.

If Vettel stumbles, the Italian team might throw its backing behind the young and ambitious Charles Leclerc, touted as F1's next big star along with Red Bull's Max Verstappen.