Crystal Palace boss Alan Pardew believes his team have been at the end of some harsh decisions from referees this season.

Pardew said official Mark Clattenburg had been "hasty" for sending Dwight Gayle off for two bookable offences in the 3-1 home loss to West Ham last week.

"There was frustration [at Dwight Gayle's red card]. In the time I've been here there's never been a player sent off for the opposition team, even though we have three flying wingers," he said.

"There's been a couple of times a call hasn't been good for us now. Sometimes the stats don't lie, I don't understand it. In all the games we've played, we've had three or four challenges against us after a yellow card.

"I don't know if there's too much that can help them [referees]. Maybe better training, better facilities, better analysis after games or maybe analysis from managers for our view.

"We're asked our view but I'm not sure it's taken on board sometimes. Maybe there could be a bit more feedback for them to help us.

"I don't think an hour after a game is an appropriate time [to meet] because emotions are running high. The best time is Mondays or Tuesdays. There can be a better review system. My view is that the standard of refs is high, but it can be improved."

He added: "Having said that, I have spoken to Dwight this week and he put himself at risk with that challenge. Can't happen again. He understands that."