San Francisco 49ers defeat Arizona Cardinals 45-29 for sixth straight win

Fellow contenders the Dallas Cowboys were brought back to reality courtesy of a 31-10 demolition at the hands of the Buffalo Bills.

San Francisco 49ers quarterback Brock Purdy passes against the Arizona Cardinals. Picture: AP Photo/Matt York

The San Francisco 49ers stretched their winning streak to six games and clinched the NFC West with a 45-29 win over the Arizona Cardinals.

San Francisco quarterback Brock Purdy improved upon his MVP credentials with four touchdowns and 242 passing yards in another stellar addition to his breakout season.