What happened: Klint Kubiak said Kirk Cousins and Maxx Crosby violated team rules during Friday's confrontation. Crosby had made contact with Cousins' throwing arm twice before the two fought.

Why it matters: Cousins entered camp as Las Vegas' starting quarterback, making lost preseason reps consequential for the offense. Crosby recently returned to practice after more than seven months away.

What to watch: Watch whether both players rejoin full team work at the Raiders' next practice.