Seattle presents many challenges, but one of the most difficult matchups is with wide receiver Jaxon Smith-Njigba, who isn’t a household name yet in his third year out of Ohio State but probably should be. The Seahawks felt good enough about him to trade D.K. Metcalf, their No. 1 receiver, to Pittsburgh in the offseason.

New Year's Eve fireworks could get an "extra special effect." A low fog will linger through the evening, making for a dramatic background.