10 minutes on the clock, 100 managers to guess - some of them obviously appear more than once...
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There are managers out there who have won precious little - but still rank among the greatest managers of all time.
Guy Roux is one example. As boss of lowly Auxerre in France, he only won the one Ligue 1 title. Why Roux is quite so revered, however, is more down to the fact that he coached his side for over 40 years in three spells. It's hard enough supporting a club for that long with little to no success - let alone managing them.
Not all managers can amass such praise and respect without winning titles, however. For the vast majority of bosses, trophies are signposts of success: proof of the pudding, justification of a chairman's faith.
Today, we're looking for the managers who can be considered the most successful in the world, judging by their trophy haul. We've listed all the major gongs we can think of - how many of their winners can you recall?
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