Jesse Lingard's winner mounted more pressure on his former boss Jose Mourinho as West Ham United secured a 2-1 victory over Tottenham on Sunday.
Goals from Michail Antonio and Lingard in each half dented Spurs' chances of finishing in the top four for the second consecutive season.
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Lingard spent two-and-a-half years playing under Mourinho at Manchester United before the latter was sacked.
Lucas Moura's goal brought Spurs back into the match but the defeat means they are now nine points behind fourth place West Ham in the Premier League table.
The hosts opened the scoring inside four minutes when Spurs failed to deal with a Jarrod Bowen cross and Antonio was quickest to react.
Spurs almost responded immediately after Erik Lamela produced a wonderful solo run to set up Harry Kane who blasted the ball wide.
The best chances for a Spurs equaliser came at the end of first-half but Lukasz Fabianski denied Lamela and Kane with good saves.
Mourinho brought on Gareth Bale at half-time but West Ham doubled their lead two minutes after the break when Lingard latched on to Pablo Fornals' pass and smashed the ball into the top corner.
There was a long delay due to a VAR check for offside but the goal stood as Lingard celebrated his third goal for the club since his loan move from Old Trafford.
Spurs got themselves back into the match just after the hour mark when Moura scored with a great header from Bale's corner.
Bale came close to scoring a sensational equaliser but his long range effort rattled the crossbar.
Son Heung-Min almost scored a stoppage-time equaliser but his attempt hit the post and West Ham managed to hold on for the win.
Source: espn.co.uk