The Latest: 49ers perfect, Bengals, Dolphins still winless

The Latest on Week 7 in the NFL (all times EDT):
4:30 p.m.
The San Francisco 49ers are still perfect. So are the Miami Dolphins and Cincinnati Bengals, sort of.
San Francisco improved to 6-0 with a 9-0 victory in the rain against the Washington Redskins. The 49ers are off to their best start since 1990, when they won their first 10 games as the two-time defending Super Bowl champions.
Miami and Cincinnati, meanwhile, remain winless. Miami fell to 0-6 when Buffalo pulled away late for a 31-21 vic