What happened: Arne Slot said Rio Ngumoha was substituted because the Liverpool teenager was having muscle problems and told him he was not sure he could continue. The explanation came after fans booed the decision during Liverpool's 1-1 draw with Chelsea at Anfield, with Slot adding that the manager sometimes has information supporters do not.

Why it matters: The moment speaks to the tension around Liverpool's finish to the season and the scrutiny on Arne Slot's message that Liverpool are not giving fans enough. It also matters competitively: Liverpool stayed under pressure in the race near the Champions League places, while the crowd reaction underscored how little margin there is for unpopular in-game calls.

What to watch: Watch for any formal injury update on Ngumoha and whether Slot changes his lineup in Liverpool's next match. The next few results will also shape whether the fan mood eases or intensifies.