The return of Formula 1 racing at the Azerbaijan Grand Prix also sees a return to the discussion of the finalising of the grid for next season. Almost every piece of business has already been done with Sauber and RB the final teams still waiting to make their final decisions on their line-ups. Both teams are in very different positions, with Sauber seemingly having their choice of every available driver left on the grid, off the grid and racing in the junior formulas. Helmut Marko and senior RB staff will be looking within and that leaves them with just two standout candidates. The first is th…