Jermain Defoe says Sunderland need to "believe" ahead of Saturday's trip to West Ham but must cut out the "schoolboy errors"..
The Black Cats make their maiden visit to the London Stadium stuck to the bottom of the Premier League on only two points, with the Hammers not that much better off in 15th.
Sunderland are chasing their first win and Defoe believes they can use the "pressure" of the Londoners struggling for results at their new home to their "advantage".
"You could say they have gone backwards a little bit from last season," said the Eastend-born striker.
"They've not started this time like they did last year but if you look at the great individual players they have got, they can create things out of nothing.
"It's important to go there disciplined, believing we can win that game.
"For West Ham, playing in their new stadium, the pressure is on them and we can use that to our advantage.
"The West Ham home fans expect so much from their team, especially given the standard they set last season.
"We need to be confident, be compact, don't let them score, if we score we score, if we don't we'll still have a point."
Speaking in an interview on www.safc.com, he added: "It will be weird, having played at Upton Park, the Boleyn ground, whatever you want to call it, all the great history, to going to the Olympic Stadium.
"Maybe it's not the same atmosphere with the fans so far away from the players, but I am looking forward to it.
"It looks like a nice stadium, but I'm looking forward to the game and it's important we go there and believe we can win it, let's face it we need the points."
Sunderland blew a chance for points and that first win at Stoke last time out, gifting Joe Allen a brace at the bet365 Stadium.
And Defoe pulled no punches, saying that the side cannot afford a repeat of such errors if they are to get results.
"I felt we were the better team at the start and we could cause them problems and then we gave away stupid goals, goals we would not have given away last season," said the lading scorer.
"When the ball is at the edge of your box, just be disciplined, kick it away, it's not difficult. We are trying to play one-twos on the edge of our own box, it's a schoolboy error."