What happened: Adam Schefter says Rams WR Puka Nacua and Packers RB Josh Jacobs are among a group that could face league action. The issue surfaces during the NFL preseason.

Why it matters: Any discipline could affect the early-season availability of two prominent skill-position players. Los Angeles and Green Bay would have to adjust their plans shortly before the regular season.

What to watch: Watch for a league decision on whether discipline will be imposed, along with its scope and timing.