Kasey Keller believes West Ham will be out to prove a Premiership point in the Carling Cup on Wednesday night.
The Hammers were relegated from the top flight on the final day of last season.
Managerial upheaval has followed this season but Alan Pardew is now in charge following Trevor Brooking's caretaker spell and the Upton Park outfit look well-placed to bounce straight back.
"I'm sure they will still consider themselves a Premiership club and this is a chance to prove that point," said goalkeeper Kasey, in fine form in Sunday's goalless draw against Middlesbrough.
"They carry a threat, no doubt. They have dangerous players up front with the likes of Defoe, Connolly, who I believe might miss out injured, and Hutchison so defensively we will have to be aware of that."
Meanwhile, Kasey was pleased to bounce back from last week's mistake at Leicester City to produce a point-saving couple of stops on Sunday.
The 0-0 draw against Boro stretched our unbeaten run to five and we've conceded just one goal in that time.
"Sure, it was nice to make positive contribution," added Kasey, who most memorably denied Boudewijn Zenden and Gaizka Mendieta in the second half at the Lane.
"The important thing was - although we came under a little pressure - we didn't concede a goal. You don't want to lose games like that at home.
"We've had a good spell defensively but it's not just as easy as saying we've switched to a 4-4-2. It's the whole defensive mentality and approach. We defend as a team."