The Morocco international has joined the Serie A champions on an initial season-long loan deal for $4.3 million.

Juve will have the option to make the move permanent for an additional $25 m fee in 2017.

The 29-year-old returns to Serie A, where he enjoyed spells at Udinese and Roma, before joining Bayern Munich in 2014.

The chance for regular first team football appeared shaky at the Bundesliga Champion after it signed Germany defender Mats Hummels from rival Borussia Dortmund.