Hi, guys, nice to meet you
I can't make a poll, so I will do it in that way: I put here a given list with some of the greatest club teams in Football history, including the "other (please specify)" option. I invite you to nominate the top 10 greatest ever. May we have a great discussion. Here are the club teams: 

Milan 88'-95'
Pep's Barcelona "tiki-taka"
Ajax 69'-74'
Real Madrid 56'-60'
Bayern Munich 2012-13'
Ajax 95'
Barcelona 2014-17'
Liverpool 77'-84'
Juventus 95'-98'
Real Madrid 2015-18'
Bayern Munich 74'-76'
Santos 60'-67'
Arsenal 2004
Celtic 67'
Bayern Munich 2019/20-20/21'
Man United 99'
Liverpool 2018-20'
Inter 2010
Man United 2007-09'
Milan 2002-07'
Inter 63'-67'
Barcelona 90'-94'
Steaua Bucaresti 85'-89'
Real Madrid 2000-03'
Red star belgrade 91'
Benfica 61'-67'
Juventus 82'-86'
Bayern Munich 2000-02'
Flamengo 80'-81'
Other (please specify)