Just because it's preseason football doesn't mean that bettors aren't paying attention to the NFL in August.
There are some head coaches whose teams tend to thrive in the preseason (see Harbaugh, John), while others treat the three games as another form of practice. Bettors use it as another game to get their action in.
We'll have you covered throughout August, and below is a resource that you will also hopefully find helpful. It will be updated at the end of every week of games throughout the 2023 preseason.