Chelsea's Willian, left , celebrates with teammate Chelsea's Willian after scoring the opening goal of the game from the penalty spot during the English Premier League soccer match between West Ham United and Chelsea at the London Stadium stadium in London, Wednesday July 1, 2020. (Michael Regan/Pool via AP)

Chelsea's Olivier Giroud, left heads the ball towards goal during the English Premier League soccer match between West Ham United and Chelsea at the London Stadium in London, Wednesday, July, 1, 2020. (Adam Davy/Pool via AP)

West Ham's Tomas Soucek, right celebrates with teammate West Ham's Jarrod Bowen after scoring his sides first goal during the English Premier League soccer match between West Ham United and Chelsea at the London Stadium in London, Wednesday, July, 1, 2020. (Adam Davy/Pool via AP)

West Ham's manager David Moyes watches his team from the side lines as bubbles drift through the air, which are traditional blown when West Ham United take to the pitch, during the English Premier League soccer match between West Ham United and Chelsea at the London Stadium stadium in London, Wednesday July 1, 2020. (Michael Regan/Pool via AP)

West Ham's manager David Moyes, top left, takes a knee just prior to the start of the English Premier League soccer match between West Ham United and Chelsea at the London Stadium in London, Wednesday, July, 1, 2020. (Julian Finney/Pool via AP)

West Ham's Andriy Yarmolenko, right shoots and scores this sides third goal past Chelsea's Antonio Rudiger during the English Premier League soccer match between West Ham United and Chelsea at the London Stadium stadium in London, Wednesday July 1, 2020. West Ham won the match 3-2. (Michael Regan/Pool via AP)