 Complete the following phrase:  After beginning his managerial career in 2003 with several smaller Italian sides, Allegri helped Sassuolo gain promotion to the Serie B for the first time in their history, winning the Serie C1 championship and Super Cup in the same year. From 2008 to 2010, he coached Cagliari in Serie A, leading them to their best Serie A finish in almost 15 years. His performances as head coach of Cagliari earned him a move to AC Milan in 2010, where he remained until January 2014; he won a Scudetto in 201011, Milans first since 2004, and a Supercoppa Italiana title in 