POKER PUNCH-OUT TMZSports.com
Former NFL superstar Adrian Peterson got into a fistfight with a poker player following a dispute over a hand ... and the tussle was all captured on video, obtained by TMZ Sports.
The shocking scene unfolded back on May 27 ... while Peterson and others were playing cards at JokerStars -- a social club in Houston, Texas.
Peterson tells us ... he and one of his buddies were involved in a disagreement while at a gaming table, "one thing led to another," and they squared up.