Diallo and Toulalan appear to compete for 50-50 ball Monaco man was knocked out by the challenge Referee saw fit to send Guingamp striker off for challenge

By Paul Collins

Published: 17:24 EST, 7 May 2014 | Updated: 18:16 EST, 7 May 2014

Guingamps Mustapha Diallo seemed to be hard done to when he saw red for what looked like a 50-50 clash of heads with Monaco's Jeremy Toulalan.

The Senegalese international looked to be going for the ball and in doing so clashed heads with the French defender.

Pain game: Monaco's Jeremy Toulalan reacts after his head injury

Seeing red: French referee Stephane Lannoy shows Diallo a red card

Heads up: Mustapha Diallo and Jeremy Toulalan compete for the ball

Clash of heads: Diallo and Toulalan go for the ball

Ouch: Toulalan ends up out cold after the challenge

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Guingamp's Mustapha Diallo sees red for head clash with Monaco's Jeremy Toulalan