FC Spartak Moscow | PFC CSKA Sofia | FC Spartak Trnava | PFC Levski Sofia | PFC Litex Lovech | PFC CSKA Moscow | PFC Slavia Sofia | Spartak | PFC Botev Plovdiv | PFC Svetkavitsa | PFC Ludogorets Razgrad | PFC Energy | PFC Belasitsa Petrich | Nalchik | FK Spartak Zlatibor Voda | FC Spartak Sumy | WBC Spartak Noginsk | Spartak (Varna) | Spartak Sofia | Spartak (Plovdiv) | PFC Velbazhd Kyustendil | PFC Naftex Burgas | PFC Marek Dupnitsa | PFC Lokomotiv Plovdiv | PFC Lokomotiv Mezdra | PFC Cherno More Varna | PFC Chernomorets Burgas Sofia | PFC Balkan Botevgrad | PFC Akademik Sofia | 2009–10 PFC CSKA Sofia season |
Alex made his debut for the club, where he made his first start and played 90 minutes, in a 1–1 draw against Zenit Saint Petersburg on the opening game of the season and two weeks after the opening game of the season, Alex scored his first goal in a 2–0 win over Spartak Nalchik when he scored in a free-kick.