Emiliano Marcondes (Pearson, 82) - 3. Joined the action when Pearson was injured. It was his first taste of Premier League action and he will hope it is not always like this. Ben Pearson (Cook, 77) - 2. The 27-year-old lasted five minutes before picking up an injury and being replaced by Marcondes. PA
LIVERPOOL RATINGS: Alisson Becker - 7. The Brazilian had little to do as the action was concentrated at the other end. He was watchful on Bournemouth’s rare forays and was never worried. EPA
Trent Alexander-Arnold - 8. The 23-year-old was in his element. He was hardly asked to defend and scored a stunning long-range effort. His cross forced Mepham into putting the ball into his own net. Clark replaced him with seven minutes left. EPA
Joe Gomez - 7. The 25-year-old barely worked up a sweat. He had one dubious moment when he dwelt on the ball but he was able to spark attacks by stepping forward and picking his passes. AP
Virgil van Dijk - 7. The Dutchman was unruffled by the physical threat of Moore. He was the essence of calm and powered home his team’s fifth goal from a corner. AFP
Andy Robertson - 7. The Scot showed signs that his relationship with Diaz is beginning to gel. He got up and down the pitch, supplied the corner for Van Dijk’s goal and headed a chance over before making way for Tsimikas in the 69th minute. Getty
Harvey Elliott - 7. The 19-year-old scored his first Premier League goal with an excellent first-time shot from the edge of the box. His passing was clever and he was a constant danger to the defence. Carvalho replaced him at half time. EPA
Fabinho - 7. The Brazilian was close to his best, albeit against inferior opposition. He set the game’s tempo and won the ball at will in midfield. Getty
Jordan Henderson - 7. The captain sat deep and had a relatively easy afternoon against a toothless Bournemouth midfield. He was relaxed and efficient until making way for Bajcetic in the 70th minute. EPA
Mohamed Salah - 7. Nine goals and none for the Egyptian? It’s hard to believe but the striker played his part, worrying the defence with his movement and pace. He missed a couple of good chances and, had he been clinical, Liverpool might have hit double figures. AFP
Roberto Firmino - 9. The Brazilian has been under fire but he answered his critics with aplomb, setting up three goals and scoring two while giving a masterclass of link play. He received a deserved ovation when Milner came on for him in the 69th minute. EPA
Luis Diaz - 9. The Colombian scored twice and menaced the defence. Even better for Liverpool, he seems to be developing an understanding with Robertson on the left. AP
SUBS: Fabio Carvalho ( Elliott, half time) - 8. The 19-year-old came in the break and relished his opportunity. He scored a splendid goal and brought renewed energy to the press. Reuters
Stefan Bajcetic (Henderson, 70) - 7. The 17-year-old made his debut. He did not look out of place. AFP
James Milner (Firmino, 69) - 7. The 36-year-old played in the midfield before moving to right back. He was secure wherever he was needed. Reuters
Kostas Tsimikas (Robertson, 69) - 8. Set up Carvalho and Diaz’s goals. It was fair reward for a typically energetic display. Bobby Clark (Alexander-Arnold, 83) - 7. The 17-year-old could not have had a more comfortable debut. Getty
BOURNEMOUTH RATINGS: Mark Travers - 3. The Irishman could not be blamed for any of the goals but suffered a serious case of guilt by association. He made some good saves but the scoreboard makes grim reading. EPA
Adam Smith - 1. The 31-year-old looked lost. He rarely got close to an opponent and when he did he was booked for a rash challenge on Henderson – his fourth successive Premier League game with a yellow card. It was no surprise when he was withdrawn at half time for Solanke. AFP
Chris Mepham - 2. The 24-year-old put the ball into his own net and could have done much better on a clutch of the other goals. An awful afternoon ended when he was taken off for Bevan with eight minutes to go. EPA
Marcos Senesi - 1. The Argentinian is enduring a baptism of fire in the Premier League. His all-round play was inept but allowing Alexander-Arnold to advance and score at will was a low point on a grim day. AFP
Jordan Zemura - 2. Salah did not score but that was not down to the 22-year-old. His positioning was poor and Liverpool swarmed down his wing. Getty
Lewis Cook - 3. The 25-year-old worked hard but it was an object lesson in pointless running. He was nothing more than a minor irritant to Liverpool and was withdrawn for Pearson with 13 minutes to go. AFP
Jefferson Lerma - 3. The Colombian was overrun early and could not stem the tide of red attacks. He was static and could not work out how to stop the rout. EPA
Marcus Tavernier - 3. The 23-year-old tried to get on the ball but made scant impact. He was another who was out of his depth at Anfield. EPA
Ryan Christie - 3. The Scot was taken off at half time for Billing. He was clearly upset with his defenders but his own performance was less than sparkling. EPA
Kieffer Moore - 4. The Welshman was isolated and had to drop deep in search of the ball. That made him less effective but he put in plenty of effort on a frustrating day. AFP
Jaidon Anthony - 3. The 22-year-old will not recall his full Premier League debut with affection. He got lost in the Liverpool maelstrom. AFP
SUBS: Dominic Solanke (Smith, half time) - 3. The 24-year-old did not appear to be fully fit. He would probably have been better off to remain on the bench. AFP
Philip Billing (Christie, half time) - 4. The Dane offered a slight improvement. He was more effective in the air. Owen Bevan (Mepham, 82) - 4. The 18-year-old had the thankless task. He will have more rewarding games. Reuters
Emiliano Marcondes (Pearson, 82) - 3. Joined the action when Pearson was injured. It was his first taste of Premier League action and he will hope it is not always like this. Ben Pearson (Cook, 77) - 2. The 27-year-old lasted five minutes before picking up an injury and being replaced by Marcondes. PA
LIVERPOOL RATINGS: Alisson Becker - 7. The Brazilian had little to do as the action was concentrated at the other end. He was watchful on Bournemouth’s rare forays and was never worried. EPA
Trent Alexander-Arnold - 8. The 23-year-old was in his element. He was hardly asked to defend and scored a stunning long-range effort. His cross forced Mepham into putting the ball into his own net. Clark replaced him with seven minutes left. EPA
Joe Gomez - 7. The 25-year-old barely worked up a sweat. He had one dubious moment when he dwelt on the ball but he was able to spark attacks by stepping forward and picking his passes. AP
Virgil van Dijk - 7. The Dutchman was unruffled by the physical threat of Moore. He was the essence of calm and powered home his team’s fifth goal from a corner. AFP
Andy Robertson - 7. The Scot showed signs that his relationship with Diaz is beginning to gel. He got up and down the pitch, supplied the corner for Van Dijk’s goal and headed a chance over before making way for Tsimikas in the 69th minute. Getty
Harvey Elliott - 7. The 19-year-old scored his first Premier League goal with an excellent first-time shot from the edge of the box. His passing was clever and he was a constant danger to the defence. Carvalho replaced him at half time. EPA
Fabinho - 7. The Brazilian was close to his best, albeit against inferior opposition. He set the game’s tempo and won the ball at will in midfield. Getty
Jordan Henderson - 7. The captain sat deep and had a relatively easy afternoon against a toothless Bournemouth midfield. He was relaxed and efficient until making way for Bajcetic in the 70th minute. EPA
Mohamed Salah - 7. Nine goals and none for the Egyptian? It’s hard to believe but the striker played his part, worrying the defence with his movement and pace. He missed a couple of good chances and, had he been clinical, Liverpool might have hit double figures. AFP
Roberto Firmino - 9. The Brazilian has been under fire but he answered his critics with aplomb, setting up three goals and scoring two while giving a masterclass of link play. He received a deserved ovation when Milner came on for him in the 69th minute. EPA
Luis Diaz - 9. The Colombian scored twice and menaced the defence. Even better for Liverpool, he seems to be developing an understanding with Robertson on the left. AP
SUBS: Fabio Carvalho ( Elliott, half time) - 8. The 19-year-old came in the break and relished his opportunity. He scored a splendid goal and brought renewed energy to the press. Reuters
Stefan Bajcetic (Henderson, 70) - 7. The 17-year-old made his debut. He did not look out of place. AFP
James Milner (Firmino, 69) - 7. The 36-year-old played in the midfield before moving to right back. He was secure wherever he was needed. Reuters
Kostas Tsimikas (Robertson, 69) - 8. Set up Carvalho and Diaz’s goals. It was fair reward for a typically energetic display. Bobby Clark (Alexander-Arnold, 83) - 7. The 17-year-old could not have had a more comfortable debut. Getty
BOURNEMOUTH RATINGS: Mark Travers - 3. The Irishman could not be blamed for any of the goals but suffered a serious case of guilt by association. He made some good saves but the scoreboard makes grim reading. EPA
Adam Smith - 1. The 31-year-old looked lost. He rarely got close to an opponent and when he did he was booked for a rash challenge on Henderson – his fourth successive Premier League game with a yellow card. It was no surprise when he was withdrawn at half time for Solanke. AFP
Chris Mepham - 2. The 24-year-old put the ball into his own net and could have done much better on a clutch of the other goals. An awful afternoon ended when he was taken off for Bevan with eight minutes to go. EPA
Marcos Senesi - 1. The Argentinian is enduring a baptism of fire in the Premier League. His all-round play was inept but allowing Alexander-Arnold to advance and score at will was a low point on a grim day. AFP
Jordan Zemura - 2. Salah did not score but that was not down to the 22-year-old. His positioning was poor and Liverpool swarmed down his wing. Getty
Lewis Cook - 3. The 25-year-old worked hard but it was an object lesson in pointless running. He was nothing more than a minor irritant to Liverpool and was withdrawn for Pearson with 13 minutes to go. AFP
Jefferson Lerma - 3. The Colombian was overrun early and could not stem the tide of red attacks. He was static and could not work out how to stop the rout. EPA
Marcus Tavernier - 3. The 23-year-old tried to get on the ball but made scant impact. He was another who was out of his depth at Anfield. EPA
Ryan Christie - 3. The Scot was taken off at half time for Billing. He was clearly upset with his defenders but his own performance was less than sparkling. EPA
Kieffer Moore - 4. The Welshman was isolated and had to drop deep in search of the ball. That made him less effective but he put in plenty of effort on a frustrating day. AFP
Jaidon Anthony - 3. The 22-year-old will not recall his full Premier League debut with affection. He got lost in the Liverpool maelstrom. AFP
SUBS: Dominic Solanke (Smith, half time) - 3. The 24-year-old did not appear to be fully fit. He would probably have been better off to remain on the bench. AFP
Philip Billing (Christie, half time) - 4. The Dane offered a slight improvement. He was more effective in the air. Owen Bevan (Mepham, 82) - 4. The 18-year-old had the thankless task. He will have more rewarding games. Reuters
Emiliano Marcondes (Pearson, 82) - 3. Joined the action when Pearson was injured. It was his first taste of Premier League action and he will hope it is not always like this. Ben Pearson (Cook, 77) - 2. The 27-year-old lasted five minutes before picking up an injury and being replaced by Marcondes. PA
