All 32 NFL teams opened training camp with uncertainties.
It's a time to test new systems, schemes and approaches to optimizing talent. As the summer progresses, there's clarity on position battles, standouts emerge and some coaches reveal expectations for certain players. And during preseason action, we're see new developments and things that don't work out as expected.
Here we'll look at each club and pinpoint one thing they've learned so far during training camp. Perhaps an unlikely starter has put a stronghold hold on a spot, or a notable player has come up short on high expectations.