What happened: The league reviewed Gibbs' Week 1 touchdown run against the Saints and assessed a helmet-use fine after the game. No foul was called on the field when the play happened.

Why it matters: The fine does not affect availability, but it adds a disciplinary note to the start of the season for a Detroit back the Lions have framed as a bell cow. It also shows the NFL is willing to punish this kind of contact on review even when officials let the play stand in real time.

What to watch: Watch whether similar ball-carrier contact draws flags for Gibbs in the next few weeks after this review. Detroit's offense still runs through him as the regular season moves forward.