The Red Devils gain the upper hand as the Newcastle defender prioritises Old Trafford over a Chelsea return, potentially securing a long-term successor for veteran Luke Shaw.
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Alongside the Brazilian, the club have also signed Youri Tielemans from Aston Villa for £35 million and Karl Darlow on a free after his contract at Leeds United expired.
A lot of the attention will be on the final midfielder the Red Devils sign, whether that is a more defensive option like Manu Kone or Carlos Baleba, or another option like Alex Scott.
However, the need to strengthen other positions in the squad, like a full-back and a back-up striker, has gone under the radar.
Lewis Hall was a player who was heavily linked with the club at the end of last season and the beginning of the window until rumours came to a complete halt. In recent times, more links have begun to emerge.
Chelsea were the biggest competitor for his signature, given that he came through their academy before his £28 million switch to Newcastle.
However, according to Graeme Bailey at TEAMtalk (via Caught Offside), the full-back's preference is to move to Old Trafford rather than Stamford Bridge if a transfer were on the cards this summer.
This has forced the London club to look at other targets, which has strengthened United's position if they were to go for Hall.
A lot of talk is about the third midfielder, and rightly so, as the club does not have an exact replacement for Casemiro yet.
However, with United back in the Champions League, Michael Carrick's side will be playing over 45 games this season. Right now, the squad is only built to play one game a week, so an injury crisis could decimate the squad as it did in the 24/25 season.
Bringing Hall in is a must for the club. While Luke Shaw played every league game for the first time last season, the extra rest ultimately benefited him, and you cannot expect him to do the same next season. Hall would not only add depth but also solve the problem of finding the long-term heir for the left-back position.
Another vital area of need is the back-up striker role. With Joshua Zirkzee linked with a move away but also lacking any form, the club's only main striker is Benjamin Šeško. Bringing in another option would not only help ease the Slovenians burden but also could add another goal-threat is needed when Sesko is not on the pitch.