#3 Mason Greenwood
Another Manchester United player who could outshine Cristiano Ronaldo would be Mason Greenwood. The 19-year-old has scored in all three Premier League games Manchester United have played so far.
Cristiano Ronaldo's arrival will be a major boost for Greenwood as the former Real Madrid man can guide the youngster a lot in terms of improving his skill-set.
Greenwood can play both as a striker and as a winger on the right side. With Cristiano Ronaldo bound to play regularly, we might see the two of them exchanging roles on the pitch time and again. Cristiano Ronaldo is a phenomenal finisher but Greenwood has also shown signs of being prolific in front of goal.
With Greenwood's ability to be clinical with either foot, the youngster has more unpredictability to his game. Given the current form, he is likely to play regularly and could turn out to be very vital for Manchester United at the end of the season.
#2 Paul Pogba
Paul Pogba's future at Manchester United may be uncertain but his form has been a big positive so far this season. The Frenchman's stellar performance in the 5-1 win against Leeds United in the first game was a delight to watch.
The 2018 World Cup winner ran the show at Old Trafford, producing the kind of display that justifies the potential he has in him.
Cristiano Ronaldo's return to Manchester United this summer will only motivate Pogba to do better. The former Juventus midfielder already has five assists to his name this season.
When on song, Pogba can orchestrate the game at his will and create goals with utter ease. His performance this season might just be the deciding factor in Manchester United's ambition to win some silverware.
#1 Bruno Fernandes
Words may not do justice in explaining how important Bruno Fernandes has been to Manchester United ever since he was signed in the 2019-20 season. The midfielder played a massive role in helping United finish second last season, contributing 18 goals and 11 assists in the Premier League.
He played a major role in bringing Cristiano Ronaldo back to United and he'll be hoping to have a strong partnership with his compatriot on the field. Fernandes has already scored thrice this season with his stunning hat-trick in the opening game against Leeds United.
His movement upfront, combined with his tenacity and creative abilities, has already proved difficult to handle for opponents. He is an important player in how United manager Ole Gunnar Solskjaer wants his team to play. Purely considering Fernandes' impact since his arrival, he is of more importance to United right now than Cristiano Ronaldo.
With his desire to fight and never give up, Fernandes will remain a very influential player for Manchester United this season. And it is possible that his contributions to United this season might be more vital than anyone, including Cristiano Ronaldo.