Winning any treble is certainly a very special achievement and not many managers will guide their sides to quite the sensational season.
However, some of the greatest club sides ever - led by some of the best managers around - have been able to pull off the almost impossible.
This list will look at five of the best managers who have won their domestic leagues as well as a European trophy and of course another cup competition.
Only some boss' will go down in history as treble-winners, so, which great managers make the list?
Let's take a look at the top 5 from recent time:
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