He only won the title with Lazio because he spent shit loads on Crespo, Mendieta etc.
Other than that triumph, his record is nothing spectacular and thus, it'd be more worth it to take a risk with someone who isn't going to demand a lot of money from the club to work. Someone young and promising.
Really?
Winning the UEFA-cup in 1982 with a SWEDISH team, winning the portuguese league two years in a row with Benfica and finnishing second in the UEFA-cup the year after, winning the Italian cup with Roma and Fiorentina, twice with Lazio and the Cupwinnerscup with Lazio. Decent record IMO. Don't think we can get a manager who has won more than him, tbh.