San Francisco 49ers vs Seattle Seahawks Week 17 Live Stream Reactions 49ers vs Seahawks Week 17 Live Stream Chat 49ers Seahawks Week 17 2019 Live Stream Reaction Join Mitch as he reacts live to Seahawks 49ers Join Mitch as he reacts live to Sunday Night Football San Fran 49ers vs Seattle Seahawks Week 17 2019. 49ers vs Seahawks to determine the winner of NFC West and the remaining NFC seeds in the playoffs! #49ers #Seahawks #SNF