What happened: Dallas Cowboys safety PJ Locke suffered a non-contact leg injury during the team's first defensive series. He was assisted from the field following the play.

Why it matters: The injury further tests a Dallas secondary navigating early-season absences. Locke was starting in place of Malik Hooker, who is sidelined with a fractured forearm.

What to watch: The Cowboys will evaluate the safety's leg to determine his availability moving forward.