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An American porn star is giving up the adult film industry to pursue a career in fantasy football.

Lisa Ann, star of Who's Nailin' Paylin? which parodied the 2008 Republican vice-presidential candidate Sarah Paylin, has told her fans she will stop having sex on camera in December.

Announcing her intentions on her Facebook page, the 42-year-old wrote: "In my new life I dream of having an undefeated season in fantasy football while pursuing my career in fantasy sports."

Of course, being from Pennsylvania, Ann is aiming for a future in the world of fantasy American Football rather than our own round-ball version.

However her move from the bedroom into the fantasy sports arena may not be quite as unlikely as it seems either.

She appeared on internet radio station Sirius XM this week to talk about fantasy football.

And she previously displayed a keen interest in the cut and thrust of gridiron when she dated Notre Dame wide receiver Justin Brent.