He won automatic promotion from Serie B in his lone season at Siena, which got him the Juventus job that offseason.
His two Arezzo tenures and his Atalanta one were 12, 14 and 15 games respectively.
Technically, though, he still won fuck all there.
He has a habit of saying "If you give me the best team in the league and the biggest budget, I will won a trophy" which is a bit like claiming you can win any race as long as you have the biggest and fastest car/horse.
A lot of the managers who are "the best" on paper really do float by on that technicality.
Would anyone really say they remember Ancelloti at Everton, based on his record everywhere else? different job when you're not destined to win