Sancho finally scored his first goal for Man United since his big-money transfer from Borussia Dortmund last summer.
He smashed home a superb strike in his side's 2-0 win in the Champions League.
Harry Maguire and Scott McTominay led the celebrations, enthusiastically praising the England winger - with the club captain saying: "You deserve that!"
However, Fernandes cut a less passionate figure as he appeared to look unhappy when the winger found the back of the net.
The Portuguese, who started the crunch European fixture on the bench, set up Sancho - but barely celebrated after his teammate doubled his side's advantage.
:speaking_head:: "Well done, you deserve that!
:speaking_head:: "Get the f*ck in, that's what I'm talking about!"
The players reaction to Jadon Sancho's goal :100:
- United Zone (@ManUnitedZone_) November 23, 2021
Fernandes' muted celebration didn't go unnoticed among Man United fans on social media.
One tweeted: "Bruno and Sancho are not pals!! how could he not celebrate Sancho's first goal when he even gave the assist, something is not right here."
A second wrote: "Bruno Fernandes didn't seem happy after the goal.. The reason should be he started from the bench."
A third added: "Am I the only one noticing Bruno was pissed for I'm assuming being benched?"
Proud to score my first goal for @ManUtd in the best competition in world football @ChampionsLeague !
Great team effort from the boys tonight, we build from this. :red_circle: pic.twitter.com/50Milb4Cc7
- Jadon Sancho (@Sanchooo10) November 23, 2021
Speaking after securing a spot in the next round of the competition, Michael Carrick challenged the 21-year-old to show the world how talented he is.
The caretaker boss said: "He'll feel better after playing how he played. The goal is the obvious one and for Jadon himself, it will give him a massive boost.
"I thought his performance overall, I know how much he likes the ball at his feet, that's where he's happiest, but the most pleasing for me was the effort and application he put in off the ball.
"At times he didn't see a lot of the ball but he was doing a job and he played a big part in the team performance.
"You earn your rewards, he epitomised the team performance to dig in but also to enjoy the ball at other times.
"It's up to him what happens next and how he kicks on, he's got all the talent in the world and he'll have our support that's for sure."
Sancho will be looking to bag his first Premier League goal for Man United when they resume their campaign against Chelsea on Sunday.
Featured Image Credit: Manchester United
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