Chelsea defeated Leicester 2-1 despite playing with ten men.
The first 45 minutes were packed with action and dominated by refereeing decisions.
Chelsea had a penalty awarded after Ruben Loftus-Cheek was fouled in the box, but it was overturned by VAR because Kai Havertz was judged to be offside during the build-up.
Conor Gallagher was then dismissed for two yellow card offences, including twice chopping down Leicester players as they attempted to counter-attack.
The controversy didn't end there, as Harvey Barnes scored from a corner only to have it ruled out for a foul on goalkeeper Edouard Mendy as both jumped for the ball.
The intensity of the second half was maintained, and Raheem Sterling scored.
A shot that was deflected and looped over Danny Ward. He then added to his tally by tapping in a Reece James cross at the back post.
Leicester did pull one back, however, when Barnes fired a powerful shot beyond Mendy at the near post.
Ayoze Perez hit the crossbar late on, but Chelsea held on for the win, dropping Leicester to 19th in the league table.