The pressure is on the 'Baby-Faced Assassin' after a poor run of results culminated in one of the most embarrassing defeats in United's history against Liverpool.
Jurgen Klopp's romped to a 5-0 victory at Old Trafford on Sunday and it could have been far steeper had they really pressed home their advantage.
Although talkSPORT understands Antonio Conte was 'sounded out' about the job on Monday evening, trusted journalist Fabrizio Romano understands the Norwegian will definitely be in charge for the game against Spurs on Saturday evening.
"The decision from main part of Manchester United board is now confirmed/approved," he wrote on Twitter. "My understanding is Ole Gunnar Solskjær will definitely be in charge for Tottenham game on Saturday.
"Ferguson supported him. Ole also spoke to players today. Next games will be crucial."
The 48-year-old took training as normal at Carrington on Tuesday morning, although the pressure is mounting and the long-term futures of both he and his coaching staff remains unclear.
After the crunch clash with Spurs in London, United travel to Italy to face Atalanta on Tuesday, before a potentially decisive game against Manchester City at Old Trafford.
Despite the speculation, former UFC champion and avid Red Devils supporter McGregor is backing Solskjaer and insists more seniority is required for him to succeed.
"The issue at United is it's just bunch of youngfellas [sic] talking to each other," he wrote. "Peers.
"You need someone above the group chat to take the helm. Ole was on the bench when Ronaldo played. A peer. Not enough.
"Love and respect Ole to the max but his roles need rearranged. My opinion."
When asked by a fan if he was #OleOut, 'The Notorious' replied: "Never Ole out you silly fool. Ole is forever United!
"His role simply needs to be readjusted, and again, someone above the group chat needs to be brought in.
"Someone to command the young squad. God bless."