Eden Hazard livened up a fairly listless first half of action with a dagger to West Ham’s resolve.
Chelsea scored on the first real moment of danger for either side, with Eden Hazard’s razor-thin onside run meeting Pedro’s through ball.
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The Belgian then walked around a charging Darren Randolph to side-foot an offering inside the near post.
It all started with N’Golo Kante as it often does, the Frenchman making the right decisions on the left flank.