Carlos Sainz has kept Formula 1 in suspense for months: where will the current Ferrari driver continue his career? A whole raft of possibilities have now been considered: Audi (currently Sauber), Williams, Alpine and even Mercedes and Red Bull Racing have been linked with Sainz at some point. Time and again, the Spaniard says he has not yet made a decision, but did he inadvertently shed some light himself on Friday at Spa?