David McGoldrick - 6: Replaced Lundstram with 14 minutes left. Went close with a half-volley that flew over the bar. Reuters
LIVERPOOL RATINGS: Alisson Becker - 6: Made a fine save from Osborn and the defence are clearly more secure for his presence. Showed his rustiness by almost getting caught in possession by Burke in the second half. EPA
Trent Alexander-Arnold - 7: Nearly caught the goalkeeper napping from the half-way line early on and a great lobbed pass to tee up a chance for Salah showed the delicacy of his touch. Classy and efficient. Getty
Joe Gomez - 6: Struggled to deal with McBurnie and needs to be more dominant in the air and less tentative on the ground. Lacks presence in the centre of defence. Reuters
Fabinho - 4: Unfortunate to give away the penalty but not his best night. A run by Burke in the second half exposed his weaknesses at centre back, as did McBurnie’s physical approach. Getty
Andrew Robertson - 7: Relentless down the left. So often generates the team’s attacking thrust down the wing and complements Mane. Never seems to run out of energy. AP
Jordan Henderson - 6: Tireless but had to cover too much ground in what was often a two-man midfield. Brilliant cross in the build up to Firmino’s equaliser. Reuters
Georginio Wijnaldum - 6: Held back by Jurgen Klopp to stop an altercation with Baldock. Was swamped by United’s midfield runners at times but showed his composure in the late stages of the game. EPA
Diogo Jota - 7: Bold selection that paid off when the Portuguese scored the winning goal. His inclusion left Liverpool short-handed in midfield but the gamble was rewarded. Replaced by Minamino with seven minutes left. EPA
Mohamed Salah - 7: Unlucky to hit the post after turning Egan in the area. His disallowed goal, rightly ruled out for offside, nevertheless showed the brilliance of his touch and vision. AP
Roberto Firmino - 6: Worked tirelessly as usual and was rewarded with a much-needed goal. His impact is often unappreciated by supporters. Withdrawn in the closing minutes for Milner. EPA
Sadio Mane -7: Had a hand in both goals. A nightmare for any defence to play against, even when not at his best. Reuters
SUBS: Takumi Minamino - 5: Part of a double substitution with seven minutes left. Not much time to make an impact. Reuters
James Milner - 5: On to shore things up in the final minutes. Reliable enough cameo in the circumstances. Getty
SHEFFIELD UNITED RATINGS: Aaron Ramsdale - 5: An early rush of blood almost cost his side a goal when he dashed out and failed to get the ball. Shortly after he was nearly caught out by an Alexander-Arnold free kick from the halfway line. Both these incidents were in the first three minutes. Things could only get better. AFP
George Baldock - 7: Whipped in a number of dangerous crosses and a threatening presence going forward. Impressive performance. AP
Chris Basham - 5: Lost track of his man before Firmino’s equaliser. The defence let themselves down on the marking for both Liverpool goals. EPA
John Egan - 7: His sliding interception saved a goal in the opening moments. Produced a number of vital blocks. PA
Ethan Ampadu - 7: Has been utilised more in defence this season but showed how effective he can be in midfield. Quick to loose balls and used possession well. EPA
Enda Stevens - 6: Got caught under the ball for Jota’s goal, ruining an otherwise effective performance. EPA
John Lundstram - 6: Should have been living on the edge after his early booking but still managed to make a nuisance of himself with his tackling. Substituted for McGoldrick with 14 minutes remaining. PA
Sander Berge - 7: Coolly dispatched his penalty and worried Liverpool throughout. Deserved a better result for his efforts. EPA
Ben Osborn - 6: Made Alisson work with an excellent volley and never stopped running. Moved the ball around quickly. Getty
Oli McBurnie - 7: Wasted a chance to put his side two goals up but caused the defence trouble all night. Looks ungainly but worried Liverpool with his physicality. Pushed Fabinho and Gomez around. AFP
Rhian Brewster - 4: Keen to make an impression against his former club but the 20-year-old was the least influential of the visiting side’s attackers. Replaced by Burke after 54 minutes. Reuters
SUBS: Oliver Burke - 7: On for Brewster nine minutes after half time. Almost robbed Alisson in the area. Left Fabinho flatfooted during a threatening run into the area. Should have done better with stoppage-time chance. PA
David McGoldrick - 6: Replaced Lundstram with 14 minutes left. Went close with a half-volley that flew over the bar. Reuters
LIVERPOOL RATINGS: Alisson Becker - 6: Made a fine save from Osborn and the defence are clearly more secure for his presence. Showed his rustiness by almost getting caught in possession by Burke in the second half. EPA
Trent Alexander-Arnold - 7: Nearly caught the goalkeeper napping from the half-way line early on and a great lobbed pass to tee up a chance for Salah showed the delicacy of his touch. Classy and efficient. Getty
Joe Gomez - 6: Struggled to deal with McBurnie and needs to be more dominant in the air and less tentative on the ground. Lacks presence in the centre of defence. Reuters
Fabinho - 4: Unfortunate to give away the penalty but not his best night. A run by Burke in the second half exposed his weaknesses at centre back, as did McBurnie’s physical approach. Getty
Andrew Robertson - 7: Relentless down the left. So often generates the team’s attacking thrust down the wing and complements Mane. Never seems to run out of energy. AP
Jordan Henderson - 6: Tireless but had to cover too much ground in what was often a two-man midfield. Brilliant cross in the build up to Firmino’s equaliser. Reuters
Georginio Wijnaldum - 6: Held back by Jurgen Klopp to stop an altercation with Baldock. Was swamped by United’s midfield runners at times but showed his composure in the late stages of the game. EPA
Diogo Jota - 7: Bold selection that paid off when the Portuguese scored the winning goal. His inclusion left Liverpool short-handed in midfield but the gamble was rewarded. Replaced by Minamino with seven minutes left. EPA
Mohamed Salah - 7: Unlucky to hit the post after turning Egan in the area. His disallowed goal, rightly ruled out for offside, nevertheless showed the brilliance of his touch and vision. AP
Roberto Firmino - 6: Worked tirelessly as usual and was rewarded with a much-needed goal. His impact is often unappreciated by supporters. Withdrawn in the closing minutes for Milner. EPA
Sadio Mane -7: Had a hand in both goals. A nightmare for any defence to play against, even when not at his best. Reuters
SUBS: Takumi Minamino - 5: Part of a double substitution with seven minutes left. Not much time to make an impact. Reuters
James Milner - 5: On to shore things up in the final minutes. Reliable enough cameo in the circumstances. Getty
SHEFFIELD UNITED RATINGS: Aaron Ramsdale - 5: An early rush of blood almost cost his side a goal when he dashed out and failed to get the ball. Shortly after he was nearly caught out by an Alexander-Arnold free kick from the halfway line. Both these incidents were in the first three minutes. Things could only get better. AFP
George Baldock - 7: Whipped in a number of dangerous crosses and a threatening presence going forward. Impressive performance. AP
Chris Basham - 5: Lost track of his man before Firmino’s equaliser. The defence let themselves down on the marking for both Liverpool goals. EPA
John Egan - 7: His sliding interception saved a goal in the opening moments. Produced a number of vital blocks. PA
Ethan Ampadu - 7: Has been utilised more in defence this season but showed how effective he can be in midfield. Quick to loose balls and used possession well. EPA
Enda Stevens - 6: Got caught under the ball for Jota’s goal, ruining an otherwise effective performance. EPA
John Lundstram - 6: Should have been living on the edge after his early booking but still managed to make a nuisance of himself with his tackling. Substituted for McGoldrick with 14 minutes remaining. PA
Sander Berge - 7: Coolly dispatched his penalty and worried Liverpool throughout. Deserved a better result for his efforts. EPA
Ben Osborn - 6: Made Alisson work with an excellent volley and never stopped running. Moved the ball around quickly. Getty
Oli McBurnie - 7: Wasted a chance to put his side two goals up but caused the defence trouble all night. Looks ungainly but worried Liverpool with his physicality. Pushed Fabinho and Gomez around. AFP
Rhian Brewster - 4: Keen to make an impression against his former club but the 20-year-old was the least influential of the visiting side’s attackers. Replaced by Burke after 54 minutes. Reuters
SUBS: Oliver Burke - 7: On for Brewster nine minutes after half time. Almost robbed Alisson in the area. Left Fabinho flatfooted during a threatening run into the area. Should have done better with stoppage-time chance. PA
David McGoldrick - 6: Replaced Lundstram with 14 minutes left. Went close with a half-volley that flew over the bar. Reuters