NFL Sunday Night Football returns for Week 18. Who plays Sunday Night Football tonight? SNF TV schedule, NFL teams, start time, and how to watch.

For the third time this season, the Seattle Seahawks and San Francisco 49ers will be facing off. The two NFC West outfits split the season series with bookend matchups in the regular season; San Francisco took a 17-13 win in Seattle in Week 1 and the Seahawks earned a 13-3 win on the road in Week 18.