Manchester City's Erling Haaland scored five times as the FA Cup holders ran riot in a 6-2 rout of Luton in the fifth round.
Manchester City can move within one point of Jurgen Klopp's team if they win their game in hand at Bournemouth, while Arsenal must beat Newcastle to stay in touch with the title pacesetters.
Erling Haaland was keen to make amends for a frustrating night in front of goal as City were held 1-1 at home by Chelsea on Saturday.
Pep Guardiola said Monday that higher expectations faced by Manchester City are the price of years of success as he prepares his men to face Brentford after a frustrating 1-1 draw against Chelsea.
Erling Haaland has already bagged 16 goals, the divisions best so far this season.
Cole Palmer has shone with 12 goals and nine assists in 28 appearances, including a late equaliser when City were held 4-4 at Stamford Bridge in November.
Pep Guardiola believes Erling Haaland's strong mentality is the key to the Norwegian's scoring prowess despite trying to take pressure off the 23-year-old's shoulders.
Haaland struck twice late in the second half to get back on the scoresheet for the first time since returning from an absence of nearly two months due to a foot injury
Liverpool sit five points clear of second-placed City, who have a game in hand as they try to spoil Juregen Klopp's bid to bow out with the second Premier League title of his nine-year reign.
Erling Haaland was favourite to win after scoring 52 times in his debut season with City as the English side won a treble of Champions League, Premier League and FA Cup.