Lisandro Martinez hobbles off and heads straight down tunnel in Manchester United injury blow

Manchester United were dealt a potential injury blow as Lisandro Martinez hobbled straight down the tunnel.

Martinez's knee was caught in a challenge with West Ham's Vladimir Coufal.

The Argentina international tried to carry on, but did not last long before being forced to come off.

He looked devastated as he lay on the Old Trafford pitch waiting for treatment, before hobbling straight down the tunnel.

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