NFL Week 4 Preview: Top Undefeated Teams Face Tough Challenges

The NFL is heading back overseas. Week 4’s Sunday action begins when the Indianapolis Colts and Washington Commanders meet in London at 9:30 a.m. ET — and that’s just the start of a loaded Sunday slate, with five teams still undefeated and five others searching for win No. 1. There are also plenty of intriguing quarterback matchups and divisional games on the schedule. One of the biggest games comes in Buffalo, where Josh Allen and the Bills will put their perfect record on the line against a New England Patriots team looking for answers. Here are some of the biggest…