New Delhi, Aug. 9 -- LAS VEGAS - Kirk Cousins did not wait for an invitation.

The 37-year-old quarterback, arms still warm from team period drills, charged straight at Maxx Crosby after the 256-pound defensive end tipped his pass for the second time in practice on Friday. Teammates stepped between them before anything escalated further. No punches were thrown. The point, however, had already been made.

By Saturday morning, both players were out of team drills. Head coach Klint Kubiak held them from practice as a one-day disciplinary measure, a response that sent a clear signal about standards in a training camp that is supposed to matter for a franchise still rebuilding from a 3-14 season. It also opened an unexpected door for the quart...