Russian star Yuri Zhirkov became a Chelsea player in the summer of 2009. His transfer to Chelsea was confirmed on July 6, 2009. The Blues paid around £18m to secure his transfer from CSKA Moscow in the Russian top flight thus making him the most expensive Russian footballer at the time. The previous record was held by Andrei Arshavin who left Russian team Zenit Saint Petersburg to sign for Arsenal at the start of 2009 in a deal believed to be around £15m.