Ronald Koeman has called on his Southampton players to find a "killer mentality" after today's 2-0 Premier League defeat to Tottenham Hotspur.
The Saints are without a win in six, losing four of their last five in the league to lie 12th in the table. If Swansea City beat West Ham United tomorrow, they will be only four points above the bottom three.
Southampton had chances in the early stages, but when asked if he was impressed with his side's start, Koeman told reporters: "It's too easy to agree with that because also we made some unbelievable mistakes. If you watch the first goal what happened, it's like amateurs.
"We need to change our mentality. We need to work different now. After many defeats in the season we have to react.
"We need more killing mentality, because it's unacceptable how they scored the first goal."
Southampton next host the other North London side, second-placed Arsenal, on Boxing Day.
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