David Moyes was scarcely able to believe what he had seen.
After 53 minutes, West Ham were so comfortable that the away end started to bring out the "oles" as their attractive front four bopped the ball around holding a 3-1 lead.
It was a deserving lead, too. Mohammed Kudus had dazzled, Lucas Paqueta was running the game and Jarrod Bowen was in a ruthless mood.
But when the momentum started to shift, Moyes slipped back to his old ways of sitting on a lead instead of utilising West Ham's clear advantage in the final third against the makeshift Newcastle defence, who were clearly struggling.
Kalvin Phillips was called for as Paqueta was moved up into a central striking role. As an attacking force, West Ham became redundant.
The blame has to sit at the manager's door for that. Yes, Newcastle played with a renewed vigour and intensity but they were allowed to by a retreating Hammers outfit who sank without a trace.
Lewis Jones
Heung-Min Son may grab the headlines for his late winner against Luton but it was Brennan Johnson's performance from the bench which was the real key to Tottenham's comeback victory.
It had been a disappointing international break for Johnson after Wales suffered heartbreak in failing to reach Euro 2024 and that was compounded when he was left out of the starting line-up against Luton.
But the 22-year-old put all of that behind him to make a huge impact as a half-time substitute to turn around the game after Tottenham had trailed the relegation strugglers.
The Welshman provided the cross that set up the equalising own goal before then cleverly teeing up Son's 86th-minute winner.
His performance drew praise from Spurs boss Ange Postecoglou in his post-match conference after the Australian had brought him on for
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