Mathieu Debuchy can empathise with Olivier Giroud - but he says Arsenal must remember to keep their cool on the pitch.
Giroud received a straight red card during the second half of Friday's 2-1 win over Queens Park Rangers after reacting to a nudge by Nedum Onouha.
The France striker will be suspended for three matches - starting with Sunday's trip to West Ham United - and Debuchy feels for his compatriot.
"We are professionals and we need to keep calm"
"He did not speak in the dressing room [after the QPR game]. It is a hard moment for him," said Debuchy.
"I know that from before when I was at Newcastle. I was sent off, so have been in the same moment.
"It is difficult [to keep your cool sometimes], but we are professionals and we need to keep calm. Everybody has a temper, so it is not always easy to stay calm, but we need to keep calm."
Debuchy returned to his familiar right-back role for the win over QPR but he is happy to fill in at centre back whenever he's required to.
"For me, it is not a problem, I have good timing," he said. "Against Newcastle, it was my first time to play there at centre back, but it was a good experience for me and I felt good. It would be no problem for me to play there again.
"It will be difficult at West Ham on Sunday, but we need to win, so we have to be 100 per cent. West Ham have a lot of players of quality and they have had a very good start to the season, so we can expect a very difficult game.
"We need a run of wins, that is what has been missing so far this season. We have great confidence and the belief that we can do it."
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