Liverpool manager Jurgen Klopp is celebrating his four-year anniversary at the club.
Here, the PA news agency looks at some of the numbers in his reign.
221 - number of games played in all competitions.
320 - points won in the Premier League from 152 matches at an average of 2.11 per game.
146 - the number of games it took Klopp to record 300 league points - the fewest required by any of the club's managers.
458 - goals scored in all competitions - averaging 2.07 goals per game, the highest ratio by any Reds manager in the last 123 years.
58.82 - win percentage (130 in 221 games), bettered only by one previous Liverpool manager John McKenna (69.44).
92 - wins in Klopp's first 150 Premier League games, more than any other Liverpool manager.
67 - players used by the club during Klopp's four-year, 221-match reign.
44 - average number of minutes between Liverpool goals (458 goals in 20,010 minutes).
43 - number of occasions Klopp's side have scored four goals or more in a game.
14 - number of Premier League teams Klopp is unbeaten against.
17 - successive league victories recorded (currently), a club best and one short of Manchester City's record which they can equal at Manchester United on October 20.
1 - the first manager to take an English team to three European finals in his first three seasons of European competition.
