Patriots make significant TreVeyon Henderson roster move amid unknown illness

The New England Patriots have made a roster move involving running back TreVeyon Henderson, who is dealing with an unknown illness. The nature of the illness has not been disclosed, but it is considered serious enough to result in a lengthy absence for Henderson. The Patriots took official roster action in response to his condition, though specific details about the move type (IR, PUP, etc.) were not provided in the excerpt.