Manchester United boss Ole Gunnar Solskjaer suggested that an article published on Chelsea's official website in the build-up to Sunday's game could have influenced a key penalty decision that went against the Red Devils.
One of the few talking points in a dour 0-0 draw came when Callum Hudson-Odoi handled the ball in the first half under pressure from Mason Greenwood.
Referee Stuart Attwell stopped play to consult the VAR monitor, but ultimately judged the Chelsea player had committed no infraction and ordered the game to continue.
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What did Solskjaer say?
When asked by Sky Sports whether his team should have been awarded a spot-kick, Solskjaer fired: "Yep.