Marcellus Wiley says he was shaken to his core when he had a run-in with Suge Knight's goons at an L.A. club back in the day ... but says if he ever got a mano a mano with Suge ... he'd be just fine.
We got the ex-NFL star out at The Grove -- new family in tow -- and asked him about an infamous showdown between him an Suge's crew back in the day ... over a table at a nightclub.
Wiley ran the story down during a recent interview with VladTV .