A weekly examination of the San Francisco 49ers' quarterback play.Rewind: Colin Kaepernick played brilliantly as the 49ers crushed Jacksonville 42-10 on Sunday in London. Kaepernick led the 49ers to touchdowns on their first four drives. The 49ers had first downs on 18 of their first 35 plays and took a 28-0 lead.Fast-forward: It's a bye week for Kaepernick and the 49ers. They sit 6-2 and have won five straight. The lowest point total for the 49ers during the winning streak is 31.