Had a few flaps on an otherwise quiet afternoon, but made a brilliant save to keep out an Arteta second-half free-kick..
Committed and motivated display against his former club. Made some important interceptions and read the game well.
Calm and assured in defence and used the ball superbly. Looks equally comfortable in each full-back position.
Burst open the floodgates with two goals from set pieces in the opening 10 minutes, the second an outstanding header. Defended sensibly and completely neutered the physical threat of Giroud.
Combined well on the left flank with Suarez and Coutinho, and became increasingly confident as the game wore on.
Demonstrated what an asset he has become for Liverpool with another all-action, box to box display. Slid in Sterling for Liverpool's fourth goal.
Sat in front of the back four and dictated the play with a consummate midfield performance. His reading of the game was as impressive as the quality of his set pieces and passing. Set up Skrtel's two goals with piercing free-kicks. Slightly blotted his copy-book by conceding a penalty but fully deserved his standing ovation when he was subbed after 75 minutes.
Liverpool's playmaker was back to his best after a mixed few months. Some of his passing was out of the very top drawer.
His two goals stole the attention, but Arsenal will have nightmares about his searing pace and astonishing change of gear.
Did not get on the scoresheet but his genius was evident throughout. His imagination, creativity and touch started the fire that torched the Arsenal defence, with the many highlights including a jaw-dropping 35-yard free-kick and the defence-splitting cross to set up Sterling for his first goal.
Maintained his outstanding scoring run by clinically dispatching his 18th goal of the season to put the hosts 4-0 up in another display of vim and vigour. Subbed after 65 minutes.
Could do little to prevent any of the goals and made some fine saves to prevent further humiliation for his team.
Struggled to cope with the pace and flair of Liverpool's forwards.
Began Arsenal's defensive horror show by needlessly fouling Suarez to concede the free-kick from which Liverpool scored their opener. In a rare Could not cope with the pace, movement and imagination of Liverpool's front four.
Taken to the cleaners by the pace and movement of Sterling. Subbed after an hour.
It was not saying much, but the Frenchman was the best of Arsenal's defenders. His recovery pace helped save further embarrassment to his team.
Looked every one of his 31 years as he failed to provide any protection to the over-worked Arsenal defence. Scored a consolation penalty goal to slightly reduce the embarrassment for the visitors.
His use of the ball was as good as any of his colleagues, but did not get much space to thrive.
Refused to give up and his passion and commitment helped to keep Arsenal's heads above the water in the second half.
Floated like a butterfly and stung like one, too. Failed to make any impact and was withdrawn after an hour.
Made little impact against Liverpool's vulnerable defence and was subbed after an hour to save him for Arsenal's brutal run of fixtures.
Won Arsenal's penalty and never stopped running, but was given a lesson in central midfield play by Gerrard.