Antonio headed West Ham into a 14th minute lead as he rose at the far post to meet a long Aaron Cresswell cross and steer the ball into the opposite corner.
Rodney Marsh has praised West Ham United duo Tomas Soucek and Declan Rice on Twitter for their performance against Leicester City on Sunday, while Darren Bent has raved about Michail Antonio on the social networking site.
The forward took a quick free kick after he was fouled by Caglar Soyuncu out wide on the right.
Just when West Ham fans thought it couldn't get any better, Pablo Fornals picked out Jarrod Bowen to slot home a third.
For all of Leicester's dominance, it was West Ham who would double their advantage through Pablo Fornals who was allowed to drive through one-on-one and slot home at the near post past Schmeichel.
The new signing on loan from AS Roma came on for the injured Amartey in the second-half and the Turkey worldwide didn't look shy of confidence. The midfielder made a surging run towards goal, holding off Nampalys Mendy for much of the way, after receiving the ball inside his own half and hit a shot inside the penalty area which struck the underside of the crossbar.
Bowen then put the icing on the cake with a clinical finish in the 83rd minute, courtesy of a defence-splitting pass by Fornals.
The home side's miserable afternoon was summed up when Jamie Vardy missed a 90th-minute sitter before Harvey Barnes had a stoppage time goal scrapped by VAR after a one-two with Vardy who was marginally offside.
Returning to the King Power Stadium today, Leicester City manager Brendan Rodgers handed Daniel Amartey another starting role to help the team look for another win.
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