The Seattle Seahawks are expected to play many of their presumed starters for the first time this preseason when the team squares off against the Minnesota Vikings at 5:00 p.m. PT on Sunday evening.

Many of Seattle’s positions are already set, or appear to be at least, but coach Pete Carroll’s culture of constant competition means that anything could happen in the rest of August.

That makes nearly everything at least somewhat of a storyline, although there are certainly positions that will be more intriguing than others as we turn our attention to the Vikings game this evening.

Here are three things to watch for.