Could Nick Hogan follow in his dad Hulk's massive wrestling footsteps?? He isn't shutting it down ... telling TMZ Sports he wants to stay tight-lipped for now -- but hinted "it's in the blood."
We caught up with the 35-year-old out at LAX on Thursday ... just two days after he shared a selfie from a workout with NWA star Bryan Idol -- with a ring directly in the background.
Naturally, the post got wrestling fans talking .