It's a bit risky to bring the players that Zidane managed in an argument that concerns Guardiola who had prime Messi, Busquets, Iniesta, Villa, Eto'o, Ibrahimovic, Piqué, Dani Alves, Lahm, Ribéry, Neuer, De Bruyne, Aguero David Silva, Robben, Sterling among many others, while Klopp hasn't been managing pub players either whether we are talking about Dortmund or Liverpool and his trophy cabinet doesn't compare to Zidane"s. I also don't think that style is relevant at all in this conversation otherwise Bosz would be a superior coach to Simeone and we know that it's not the case. The reality of Zidane is that it's almost impossible to argue against the idea that he has been as good if not better than Klopp and Guardiola, in 5 seasons he has won 2 league titles and 3 CLs.