A review of four hot issues from the San Francisco 49ers' 42-10 victory against the Jacksonville Jaguars in London on Sunday:49ers are rolling: The 49ers ended a 10-day road trip in style. They thrashed winless Jacksonville in London. This game was never in question as San Francisco led 28-0 in the second quarter. Last Sunday, the 49ers led the Titans 24-0 at one point. San Francisco has won five straight games and is 6-2 at its bye. The 49ers have scored at least 31 points in every game during the win streak.