Marc Priestley is back again with his question and answer videos. The former 
Formula 1 mechanic discusses the possibility of 
Sebastian Vettel doing a Nico Rosberg and leaving the sport. And if he does that, who will replace him at 
Ferrari and join 
Charles Leclerc.
 After winning the 2016 F1 world championship, Nico Rosberg decided to announce his retirement in the following days. Rosberg left the sport immediately and is now often seen with a camera and a microphone in the pits.