Southampton are planning another raid of Chelsea's academy.
Saints signed Tino Livramento and Dynel Simeu from the Blues on permanent deals last summer, while Armando Broja joined on loan.
Ralph Hasenhuttl's side have also been linked with Tino Anjorin, who moved on loan to Huddersfield Town on deadline day.
HampshireLive says the south coast club are now eyeing Chelsea youngster George Nunn.
The 20-year-old forward, who has the same representatives as Broja and Simeu, will see his contract with Chelsea expire in 2023.
Signed from Crewe in 2018, Nunn has become a regular for Chelsea's youth teams.
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