Meredith and second-year offensive lineman Jackson Powers-Johnson have alternated at first-team center. But lately, Meredith has taken the majority of starting reps at the position. On the unofficial depth chart, the Raiders have Meredith listed as the starting center while Powers-Johnson is at right guard.

While Pete Carroll and Geno Smith returning to Seattle will be the top storyline, there's plenty to watch in Thursday's Seahawks preseason opener. Here are 5 things to watch.

Geno Smith is getting his homecoming return to Seattle out of the way early after being traded to the Raiders this offseason, seeing as Las Vegas will travel to the Seahawks on Thursday night for their preseason opener.