CSKA Moscow wing-back Yuri Zhirkov is interesting Arsenal.
Agent Alexei Safonov told Sport Express: "Zhirkov will be in demand everywhere - in England, Germany, Italy and Spain.
"Today, Yuri is one of the strongest players in the world in his position.
"If CSKA want to sell for a peak price, they need to do so now.
"I think Zhirkov and [Zenit St Petersburg's] Andrei Arshavin could leave, Andrei to Spain."