The Magpies boss wants to add reinforcements to his squad for the second half of the season, with his side currently down in 16th place in the Premier League table.
He has suggested United trio Brandon Williams, Phil Jones and Jesse Lingard to the club hierarchy as potential targets, according to 90Min.
The Old Trafford club are keen to offload Jones, who hasn’t been registered in their squad this season, and could offer to continue paying some of his wages to get him off their books.
But the Red Devils are unsure whether to allow 20-year-old full-back Williams or the versatile Lingard to depart on loan midway through the season.
Reports in France claim that Newcastle are also considering a bid for Monaco’s World Cup-winning right-back Djibril Sidibe.
But Marseille are also interested in the 28-year-old, who would command a transfer fee of €5-7 million.
Sidibe has made 10 appearances for the Ligue 1 side this season, but only five of those have been from the start.
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