Fans of chalk, hold on to your butts: NFL underdogs of +5.5 or more points are now 17-4-1 ATS this season. The first five undies of +7.0 or greater went 5-0 straight up! Parity has reached astounding new levels, seemingly turning "any given Sunday" into more like "every single Sunday."

NFL Week 4 continues Sunday with 13 games for football fans. How to watch? Here's an NFL TV schedule, channel and live streaming service for each game.

The Buffalo Bills (3-0) and the Baltimore Ravens (1-2) collide in an AFC showdown on Sunday Night Football. Both of these teams have Super Bowl aspirations in 2024 and this game could have seeding implications later in the year.