Embattled player agent Ricky Nixon has reportedly been interviewed over his involvement with the teenage girl behind the AFL nude photo scandal.

Nixon, who has admitted "inappropriate dealings" with the girl, spent several hours with Melbourne police on Thursday afternoon, the Nine and Ten networks reported.

The 17-year-old girl, Kim Duthie, claims Nixon had sex with her and supplied her with drugs.

Nixon, who is on indefinite leave and in treatment for a drugs problem, denies the claims.

Duthie released nude photos of two St Kilda footballers managed by Nixon late last year.

The AFL Players Association is also investigating Nixon over his relationship with Duthie.

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