What happened: TreVeyon Henderson revealed that he is sidelined while dealing with an unexpected medical condition involving unexplained neurological symptoms. The New England Patriots running back has been held out of practice leading into the weekend.

Why it matters: New England enters the weekend at 5-3 and currently holds the seventh seed in the AFC playoff race. Losing Henderson tests the Patriots' offensive depth as the team battles to protect its position in a crowded conference field.

What to watch: Henderson remains listed as questionable ahead of New England's next contest as the team evaluates his condition.