Dzagoev sustained a hamstring injury during Russia's 5-0 drubbing of Saudi Arabia on June 14, while Zhirkov was substituted in the second half of the team's 3-1 victory over Egypt on Tuesday after suffering an ankle problem.

Russia have qualified for the World Cup knockout stage for the first time and will face Uruguay in Samara on Monday in a match that will decide which of the teams wins Group A.

Stanislav Cherchesov's men will likely play Portugal or Spain in the next round.