Liverpool striker Milan Jovanovic has branded their Carling Cup exit by Northampton a "catastrophe".
The Serbia international got the Reds off to an ideal start with his first goal for the club after just nine minutes.
However, it went rapidly downhill from there and although David Ngog snatched a late equaliser in extra time to make it 2-2 Liverpool went out on penalties, the first time they had gone out to fourth-tier opposition.
"Catastrophe. I am so disappointed," said Jovanovic on the result.
"We know this is not Liverpool. It is very bad.
"I am so surprised by the performance. I have not got enough experience of English football but I didn't expect this.
"Northampton played a really good game. We played a bad game - but this is football."
Jovanovic added in the Liverpool Echo: "I am so disappointed. We all are.
"We are sorry for the result but we have to move on now."