Matthijs de Ligt Sustains Cut on Head Against Brentford, Manchester United Concede While Temporarily Down to 10 Men 

The defender was bleeding profusely from the cut on his head and was asked to leave the pitch for treatment around the 40th minute of play. The Dutchman has sent back onto the field after wiping the blood off his face, but was asked to step off the pitch again during the first half added time.