The 49ers (6-3) put the pedal to the metal on a game-altering drive in the second half, running the ball eight straight times, capped by a touchdown run for backup Brian Robinson Jr., who just ran over Giants corner Tae Banks for the score.

The San Francisco 49ers (5-3) visit the New York Giants (2-6) Sunday in Week 9.

First-round pick Mykel Williams sustained a right knee injury with 4 minutes remaining, and the 49ers fear it’s a torn anterior cruciate ligament.