Atalanta boss Stefano Colantuono will celebrate his 400th game on a professional bench when his team face Catania this evening.
The 50-year-old began his career at Sambenedettese in 2002, a club for whom he spent two spells with as a player.
The Italian has also taken charge of Catania, Perugia, Palermo and Torino. He returned to Atalanta in 2010 after impressing in Bergamo between 2005 and 2007.
His first game in charge was in March 2002, when his Sambenedettese side took on Imolese in Serie C2.