Conte took over a 9th place team. Why it would be suicide for him to take over a top 4 club ?
Just imagine Allegri has more control at the club and has a significant say in transfers and is given a big budget.
Here at Juve,

is the boss. This is why we'll go after someone like Sousa than anyone high profile if Allegri leaves.
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I think he did sign a contract extension and I remember everyone rejoicing at it. We also adjusted his wage to €5M a year.
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@dolph , actually I think you're right. He signed an extension in 2012. But either ways we dint see that resignation coming imo.