Arsenal are keeping tabs on Czech Republic youngster Tomas Necid.
Gunners boss Arsene Wenger had scouts check on the centre-forward in action against Manchester United in midweek.
Necid is under consideration at Arsenal as an alternative to Danish centre-forward Nicklas Bendtner after losing Emmanuel Adebayor to Manchester City in the summer.
Former Real Madrid sports director Pedja Mijatovic came close to prising Necid away from CSKA last season.