Sky Sports analyst Johnny Herbert thinks there's value to be had by backing Lewis Hamilton to maintain his great record in Sochi.
Can Rosberg continue his winning run? Are Red Bull finally back? Which fallen giant will strike back first? And...
Sergey Sirotkin has joined Renault as their test driver and will make his debut for the team during Practice One in Russia.
Lewis Hamilton is dealing with his poor start to the season like a "true champion", according to Mercedes boss Toto Wolff.
Christian Horner has told Sky Sports F1 that that Red Bull could test their canopy concept during Practice One in Russia.
Mercedes have opted for softer tyres than Ferrari for the Russian GP next week, taking two more sets of supersofts.