He said: "Every manager has a different style. We worked hard with Martin as well - but the results were not so good.
"But the team has worked hard this week and I think we showed that to the fans against Tottenham.
"The team was ready and I don't believe we lost the game. But the players don't feel we let Jol down. We worked hard for him.
"He was a good manager but sometimes in football you have to change something."
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