Boss Ronald Koeman admits Southampton must rebuild their waning confidence as they try to cling on to their European dream.
The Saints have won just once in their last five Premier League games and have failed to score in their last three outings after Saturday's 1-0 defeat at West Brom.
They remain fifth in the table, but Liverpool will go above them on Sunday if they beat Manchester City.
Southampton host Crystal Palace on Tuesday and Koeman insists they have to improve.
"The whole team's form...