Ederson was unable to continue after bringing down Darwin Nunez to give Liverpool a penalty on Sunday afternoon.
city of manchester had taken the lead through John Stones before an electric start to the second half saw Nathan Ake sell Ederson short with a back pass.
Núñez latched on to the loose ball before Ederson brought down the Uruguayan international, earning himself a yellow card and giving him Liverpool a sanction in the process.
The Brazilian remained on the ground, but managed to get up and was about to save Alexis Mac Allister's penalty, which made the Reds tie.
But minutes later, the goalkeeper fell again and had to be replaced, with Stefan Ortega taking his place.
With the Premier League reaching the end of its business, this could have huge implications for the rest of the season.
And yet in the immediate future with Anfield revived by Liverpool's draw.
City looked to be in control in the first half when a clever corner move gave them the lead on Merseyside.
Kevin de Bruyne It took a short to find Stones completely free a meter from goal, passing Caoimhin Kelleher.
However, moments into the second half, Liverpool got off to the perfect start when Ederson conceded a penalty.
Ake's poor back pass sent Ederson running, injuring himself in the process after knocking down Nunez.
A result for either team could potentially be huge in the title race, with both City and Liverpool battling it out for the prize.
Arsenal started Sunday at the top of the league after a dramatic 2-1 victory over Brentford on Saturday.
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