49ers-Vikings only battle of NFL unbeatens this week

Mike Singletary wants to make sure his players understand tomorrow's game against the Vikings is not all about Adrian Peterson or Brett Favre. But, clearly, the 49ers must keep those players in check Sunday to have any chance of leaving Minnesota with a victory. This is the weekend's only matchup of unbeaten NFL teams. The 49ers have victories at the Cardinals and at home against the Seahawks, while the Vikings have road wins against the Browns and Lions. The Vikings and 49ers have similar offensive approaches. Both teams want to get their run games going. Quarterbacks Favre and Shaun Hill have been bit players in their teams' success. Hill stepped up when needed with a long game-winning drive at the start of the fourth quarter of the 49ers' win at Arizona. And Favre has three touchdown passes - but very few yards passing. He arrived late in training camp and is still trying to build chemistry with his wideouts. This is the regular-season home debut for F...