Lisandro Martinez's future at Manchester United is uncertain following his criticism of the club's hierarchy, with doubts the defender's contract will be extended beyond its current expiry next summer. (Sky Sports)

Manchester United and Arsenal are keeping a close eye on Newcastle United's Ivory Coast attacker Bazoumana Toure, despite the 20-year-old only having moved to St James' Park this summer. (CaughtOffside)

Brighton manager Fabian Hurzeler is the standout candidate among current Premier League head coaches should Manchester United's board choose to move on from Michael Carrick. (Sun)

Former Chelsea boss Antonio Conte and ex-Germany manager Julian Nagelsmann also have admirers among Manchester United's bosses. (Talksport)