Ole Gunnar Solskjær has transformed Manchester United since he was appointed as caretaker manager in December.
The 45-year-old Norwegian has not suffered a defeat in the United dugout, not to mention that he picked up the Premier League Manager of the Month award for January.
Oh, and he has helped the Red Devils climb back into the top four, especially after José Mourinho claimed that it would take a "miracle" to achieve that feat this season.
While there is plenty of praise for the former United forward, that doesn't mean that everything he is doing at Old Trafford has been perfect.
Now, Alan Shearer has spoken about the impact of Solskjær on the squad and identified one player who hasn't had the same rediscovery of form as other players under his leadership.
"The impact he has had has been amazing. It's like a big dark cloud has been lifted," he wrote for the Sun.
"If it had been just one player underperforming under Mourinho, he [Paul Pogba] would have been sold.
"But almost all of the United team were and, aside from Alexis Sánchez, Solskjær has improved every player's performance by at least 20 per cent.
"From the moment [Marcus] Rashford scored that free-kick three minutes into Solskjaer's first game at Cardiff [City], the confidence has been flowing back. It just takes that one goal and for something to change."
Sánchez did have his moment to shine under the United boss and he delivered when he scored the opener against Arsenal in the FA Cup last month, but he has failed to establish himself as a regular in the starting XI.
United are fourth in the Premier League and are one point clear of fifth-place Arsenal and sixth-place Chelsea.
Solskjær faces his toughest test as United boss on Tuesday evening when his side host Paris Saint-Germain at Old Trafford in the first leg of their Champions League clash.
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Featured Image Credit: PA