No more Mike Nolan, no more Dennis Erickson, no more Mike Singletary. Despite the tough loss in Week 2, Jim Harbaugh's San Francisco 49ers are legitimate contenders no matter how you slice it up.For the second straight week, the 49ers played simple and basic football to the absolute tee, and it almost worked in Week 2 against a Dallas Cowboys team stocked with weapons both offensively and defensively.












