The Chicago Bears and San Francisco 49ers have both earned playoff berths in the NFC but have plenty to play for as they face off on "Sunday Night Football" in Week 17.

Brock Purdy threw three touchdown passes and ran for two more to steer an epic victory over the Seattle Seahawks, keeping the San Francisco 49ers quest alive for the NFC's top seed.

Purdy followed his career-high five TD-pass performance last week against Indianapolis by throwing for three scores and running for two to become the sixth player since the AFL-NFL merger with back-to...