As Pep Guardiola agrees a new contract to stay at Manchester City for another season, BBC Sport looks at how he compares to other legendary club managers.
You can tell us how you would rank them below, and if you need to know a bit more about any of them, you can also read about each option below.
Sir Alex Ferguson
Ferguson won 13 Premier League titles, two Champions Leagues, five FA Cups and four League Cups with Manchester United, plus a European Cup Winners’ Cup with both United and Aberdeen, and three Scottish titles with the Dons.
Bob Paisley
Paisley won six league titles, three European Cups, three League Cups and the Uefa Cup in nine years as Liverpool manager.
Brian Clough
Clough won the English title with both Derby County and Nottingham Forest – and then won back-to-back European Cups with the Reds.
Pep Guardiola
Guardiola has won 12 domestic titles – with Barcelona, Bayern Munich and Manchester City – plus two Champions Leagues with Barca and another with City.
Carlo Ancelotti
Ancelotti has won a record five Champions Leagues as a manager – three with Real Madrid and two with AC Milan. He has also won the domestic title in each of Europe’s top five leagues (also with Bayern Munich, Chelsea and Paris St-Germain).
Arrigo Sacchi
Sacchi won two European Cups and the Serie A title as AC Milan manager.
Miguel Munoz
Munoz won nine La Liga titles as Real Madrid boss, and also guided them to two European Cups, including the famous 7-3 final win over Eintracht Frankfurt in 1960.
Johan Cruyff
Cruyff, also one of football’s greatest ever players, won the European Cup and four La Liga titles with Barcelona, also picking up silverware at Ajax.
Bill Shankly
Shankly laid the foundations for Liverpool’s future success, taking them from the second tier to win three English titles, two FA Cups and the Uefa Cup.
Rinus Michels
Michels won the 1988 European Championship with the Netherlands, having previously won trophies with Ajax (including the European Cup), Barcelona and Cologne.
Jock Stein
Stein led Celtic to a historic Quadruple in 1966-67 of European Cup, Scottish League, Scottish Cup and Scottish League Cup (plus the smaller Glasgow Cup in a clean sweep). He won 25 trophies as Celtic boss, and also the Scottish Cup with Dunfermline.
Sir Matt Busby
Busby won the 1967-68 European Cup, five First Division titles and two FA Cups with Manchester United.