Wait And See For Marvin Harrison Jr. As He Works Through Protocol

Cardinals wide receiver left game early in Green Bay Darren Urban

The development of wide receiver Marvin Harrison Jr. is on hold for now after the rookie banged his head following a play Sunday in Green Bay.

Coach Jonathan Gannon said Monday Harrison was in concussion protocol.

The last time the Cardinals had a pass catcher go into the protocol, tight end Trey McBride missed a game. The Cardinals d