Maybe there's an "Inappropriate Body Language" rule on the books, but other than taunting after a play (Tomlinson walked away) and twerking in the end-zone after a score I don't see any.

I've rewatched that play a few times. Both players went facemask and it looked as if the O player made the grab first, and the D player instantaneously reacted in kind. Hard to tell without multiple camera angles and going under the hood.

In my view facemasking should have been called on both players, offsetting penalties, play the next down - UNLESS, as I dwell on it further, it could be in 2023 the league is sending early signals that potentially injurious (including deliberately dirty) play will be dealt with harshly. It should be - and we've waited too long.

Message sent, if so, and hopefully received league-wide. Note to Fred Warner, it may be time to clean up your act.