Ensuring their name went into the hat for the draw, Liverpool are pitted against Unai Emery’s Gunners in the next stage, having already gone one better than the past two campaigns.
The fixture should be held on Wednesday, October 30, which falls between away clashes with Tottenham (H, Oct 27) and Aston Villa (A, Nov 2).
It will the Reds’ sixth game next month, which begins at home to Red Bull Salzburg in the Champions League (Oct 2) and includes the second international break of the campaign.
Caoimhin Kelleher, Harvey Elliott, Rhian Brewster, Herbie Kane and Sepp van den Berg all made their debuts for the first team at Stadium MK, and it is likely Klopp will continue to rotate his side in the cup competitions.
The last time Liverpool were in the fourth round was in 2016, when Jurgen Klopp‘s side won 2-1 at home to Tottenham, with Trent Alexander-Arnold making his debut on a night decided by a Daniel Sturridge brace.
Everton vs Watford
Aston Villa vs Wolves
Manchester City vs Southampton
Burton vs Leicester
Crawley Town vs Colchester
Chelsea vs Manchester United
Oxford vs Sunderland
Liverpool vs Arsenal