ALBION have been placed on red alert against Crystal Palace.

Boss Chris Hughton wants no repeat at Selhurst Park tomorrow of the numerical disadvantage the Seagulls overcame to topple their arch-rivals at the Amex in December.

They won 3-1 even though Shane Duffy was sent-off inside the opening half-an-hour for headbutting Patrick van Aanholt.

Hughton will remind the players of the need to keep their heads.

He said: "I think that is the case because it is a derby game.

"The games between the two of us, certainly that I have been involved in, have been normal, full-blooded games.

"The Shane sending off was something out of character for him. They haven't been over-aggressive games, good, competitive derby games.

"It's probably the atmosphere that you've got to make sure that we go into the game in a controlled way, not get carried away, don't lose our disciplines.

"But I think that is the way we will have to play anyway. They are a very good side in a very good atmosphere. We've got to show that element of control."

Duffy's defensive partner Lewis Dunk saw red early on in Albion's 3-0 defeat at Selhurst Park in the Championship in 2012.

Duffy is the only player dismissed since then, although there have been 20 yellow cards in the last five league fixtures.