The veteran Saints running back missed Thursday's practice, according to NFL Network's James Palmer, who is stationed across the sea.
NFL Network Insider Ian Rapoport reported that Peterson "tweaked his knee a little in practice" on Wednesday, per a source informed of the situation, noting that the runner's absence was a "mix" of that setback along with taking a "veteran" break. The Saints officially classified Peterson's absence as a rest day.
Peterson is coming off a game where he ran just nine times for 33 yards in a 34-13 romp over the Panthers. He's shown flashes of his remarkable running style this season, but Peterson's overall body of work -- 77 yards at 3.3 yards per carry -- has been underwhelming.