West Ham summer signing Lukasz Fabianski has shared that his teammates have come to the conclusion that they have a problem with the 'mental side' of their game.
In recent weeks, Manuel Pellegrini's side have produced a number of mixed results from getting knocked out of the FA Cup in an empathic fashion to AFC Wimbledon to securing a much-deserved point at home to title-chasers Liverpool.
In between those results, they also suffered a 3-0 defeat at high-flying Wolves, with all of these performances coming in the space of nine days.
Goalkeeper Fabianski provided a damning reason as to why the Hammers are so up and down, with the club's senior man admitting that the players recognise the issue.
"The recent results and the performances before Liverpool… in December we had a really good run, we looked really solid then, after the Arsenal game, we looked a bit all over the place," Fabianski told the club's official website. "I think it is more the mental side.
"If we are on it from the very first minute then we are really able to compete against almost anyone in this league, and we very solid and compact as a team - That is one conclusion we have made from the performances that were not good."
Former Arsenal keeper Fabianski moved to the London Stadium last summer when he made the switch from relegated Swansea City.
Since his arrival, the 33-year-old has instantly become a key member of Pellegrini's side providing stability in between the sticks for the east London outfit.
Over the course of this season, he has played 26 league matches for Pellegrini's men, securing four clean sheets and conceding 39 goals in the process, according to transfermarkt.
During their last league outing, the Irons picked up a point at Crystal Palace as they will remain in the capital for the Friday night fixture as they host relegation-threatened Fulham on home soil.