BOITUMELO RANTAO MERCEDES’ Valterri Bottas comfortably won the Russian Grand Prix but his teammate and world champion Lewis Hamilton would feel that the race stewards took away what would have been his record-equalling 91st victory. Bottas stormed past Red Bull’s Max Verstappen, and briefly troubled leader Hamilton, before leading the rest of the way and taking the chequered flag for his second win of the season. Hamilton led the race at Sochi when the stewards dropped a bombshell and docked him 10 seconds for violating the practice start rule twice. The penalty denied Hamilton an opportunity to equal the legendary…