By now most leagues have drafted, and owners are less worried about sleepers and more worried about who to start and who to sit. The problem with that is it's difficult to know how this season will unfold when your best guess is based off last season and the preseason—two things that offer a very incomplete picture of what to expect.
But with every game played, fantasy owners learn a little more about both teams. Watching the first few weeks helps you target favorable matchups for your possible flex players later in the season by seeing which defenses struggle and identifying which undervalued players to target in trades.
It's impossible to know for sure how these storylines will play out after just one week, but here are five one to pay special attention to while the Cowboys and Giants face off.