Celtic defender Kristoffer Ajer is interesting Southampton.

The Daily Express says the Norwegian is one of the players Celtic boss Neil Lennon is prepared to let go, following the Glasgow side's Champions League exit last week.

Saints are said to be “chasing" the 22-year-old, who arrived in Scotland from Norwegian outfit Start in 2016.

Ajer could cost £20million, with West Ham and West Brom also tracking his services.

AC Milan are also reported to have expressed an interest in the defender, who has won 14 senior international caps.