NFL Week 6 betting first look: Lines we like now, including Cardinals-Browns

The Cardinals are the NFL's only undefeated team. Katelyn Mulcahy/Getty Images

As soon as games wrap up on a Sunday, sportsbooks have to react quickly and set their early lines for the following week. They aren't the only ones: This season, we're running ESPN's Football Power Index immediately upon conclusion of the 4 p.m. ET window so we can compare our numbers to those from Caesars Sportsbook.