Gus Poyet insisted that Sunderland are in the position they are in because of horrendous errors that saw Aresenal secure a 2-0 victory at the Stadium of Light.
Defender Wes Brown and goalkeeper Vito Mannone erred either side of half-time and it proved another difficult afternoon a week after his side's 8-0 hammering at Southampton.
Asked about the mood in the dressing room, the Uruguayan said: "It's a little bit of anger, really, because when you know the team, the group was there and responded and they tried, they really fought hard for the result, and then two actions...
"Normally it takes you I don't know how many games to commit one of those mistakes, and we made two in the same game -- and after last weekend -- which is something that has put us in the position we are in, really. It's clear that we are all getting paid to win games and we have won only one in the league, so it is time to go and win.
"It doesn't matter who we play against - you could see today. Yes, Arsenal were better than us, yes, they had the ball more, but you take the two mistakes away and...
"If we were a little more relaxed in the last ball or made better decisions in the last third, or you use (Will) Buckley better, then you are talking about something different.
"Now it's more about character than anything else, to be brave enough to go on to the pitch and believe you can win the game.''