Newcastle United manager Steve McClaren admitted their defeat to West Ham was a "big wake-up call" in his post-match
As per Sky Sports, he said: "In this League, you need to be, every game, at 100%. And if you're not, you get beat.
"Our final ball, final cross, our final touch in the box didn't have the quality that West Ham had which is why we lost".
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Newcastle United lost 2-0 to West Ham after two goals from the impressive Dimitri Payet.
McClaren refused to blame the poor performance on his side's late arrival at the Boleyn Ground.
Due to bad traffic in East London, the Newcastle squad only had ten minutes to warm up on arrival, and it showed in their performance, starting sluggishly and failing to retain possession.
The Newcastle manager had asked that the Premier League allow the kick-off to be delayed to allow Newcastle to warm up, but they refused his request.
McClaren claimed that his side would need to return to the training ground to re-find the form that saw them put in impressive defensive performances against Manchester United and Arsenal in previous weeks.
"We didn't do what we've been doing for the last four games. I don't know what it was, whether it was the journey and the delay, I don't know," he said. "But we're still learning about these players and some of them are still learning about the Premier League".
Already in trouble
McClaren's Newcastle team now sit bottom of the Premier League with only two points, just behind their rivals Sunderland on goal difference.
Newcastle's next fixture is at home to Watford, but they must then face Chelsea at home and then visit Manchester City at the Etihad Stadium at the beginning of October.