What happened: Sam Darnold underwent testing at Harborview Medical Center in Seattle, according to [Adam Schefter](https://www.reddit.com/r/nfl/comments/1wc7u5o/schefter_sources_seahawks_qb_sam_darnold_has_been/).
Why it matters: The Seahawks had already lost Darnold to injury during their season opener.
What to watch: Darnold is scheduled for an MRI on Thursday, according to Schefter.