Cardinals WR Marvin Harrison Jr. in concussion protocol

Harrison’s availability for the Cardinals’ Week 7 Monday night game against the Chargers is up in the air right now.

This is no surprise, but Arizona Cardinals rookie wide receiver Marvin Harrison Jr. is in league concussion protocol, head coach Jonathan Gannon said on Monday.

Harrison exited the game on Sunday in the second quarter when his helmet collided with a defender’s leg and got up wobbly.

He was examined for a concussion and was ruled out for the remainder of the game, so naturally he entered the league protocol.

Since the Cardinals do not play until Monday night, Harrison will have an extra day to recover and potentially be cleared.

Concussions are tricky because recovery time varies by player and by severity. Cornerback Max Melton entered concussion protocol after the team’s season opener but came out in time to play in Week 2. Meanwhile, Trey McBride missed a game.

Rookie receiver Malik Nabers of the New York Giants has missed two games so far with a concussion.

There is a process.

The player must stop having symptoms. Then he needs to remain symptom-free after a workout. Then he needs to be symptom-free after a non-contact practice. Then he needs to be symptom-free after a regular workload in practice.

Since the Cardinals play on Monday night, rather than a Wednesday-Friday schedule for practice, they will practice Thursday-Saturday.

We will see if he misses the game in Week 7.

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