After this weekend's defeat to Empoli, Juventus want to make sure their squad is up to snuff before the end of the transfer window.
With Moise Kean coming in to replace Cristiano Ronaldo at striker, Allegri wants the club to add another midfielder.
The bianconeri's first choice is Witsel (ahead of Pjanic), an experienced player who Juve have wanted for some time and for whom talks are currently ongoing. They are accelerating their push for the Borussia Dortmund player, Juventus want to bring in Witsel while seeing one of their current midfielders leave.
Regarding a second attacker, there is currently no progress on the Mauro Icardi negotiations with Paris Saint-Germain.