Matheus Cunha will miss Manchester United’s weekend trip to Crystal Palace due to a head knock suffered in training.

While still considered a minor issue, concussion protocol rules him out of the journey to Selhurst Park, having already missed the 1-0 defeat to Everton .

United anticipate Cunha will return for Thursday's fixture against West Ham United.

The Brazilian attacker joined in the summer in a £62.5million deal from Wolves .

He hasn't quite set Old Trafford alight, recording just a single goal, making him the squad's eighth-most productive player.

However, in five games against Palace, Cunha has recorded two goals and an assist.

What are the concussion protocol guidelines?

The FA's concussion guidelines state: "Concussion should be managed with a short period of relati

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