£34 million-rated Demiral has only played once in Serie A for Maurizio Sarri's Juve but Premier League Arsenal are crying out for centre-halves.
Arsenal are considering recalling Eddie Nketiah from Leeds United.
Arsenal are yet to permanently replace Unai Emery.
Nicolas Pepe has struggled at Arsenal since becoming their record signing in the summer.
Arsenal are in Premier League action at the Emirates Stadium on Thursday evening.
Patrick Vieira is an Arsenal legend and is in charge of Nice at the moment.
Arsenal and Everton have been linked with a move for Marcelino.
Arsenal picked up a 2-2 draw with Norwich City in Freddie Ljungberg's first game in charge.
Ex Arsenal and Tottenham Hotspur striker Emmanuel Adebayor
Arsenal are reportedly looking at appointing Marcelino.
Liverpool maintained their unbeaten record in the Premier League this season when they saw off Everton last night.
Everton and Arsenal continue to be linked with Marcelino.
David Moyes is not the only man being looked at by Premier League strugglers Everton - Monaco's Jardim and Ajax coach Erik Ten Hag are also options.
Steven Gerrard's Glasgow Rangers are in cup final action this weekend and Ibrox left-back Borna Barisic is a doubt for the encounter.
Tottenham Hotspur were beaten 2-1 by Manchester United at Old Trafford this evening.
Arsenal defender Calum Chambers has been used at right-back and centre-back by his club this season.
The Liverpool midfielder has struggled in a major way since moving to Anfield.
Chelsea's development side were beaten 3-2 in the Football League Trophy last night.
Ibrox side Glasgow Rangers and Celtic do battle at Hampden Park this weekend.
Dominic Solanke is yet to score for Eddie Howe's Cherries since his £19m move from Premier League leaders Liverpool 11 months ago.