Brenden Aaronson, a 21-year-old American midfielder, and Rasmus Kristensen, a 24-year-old Danish full-back, have both arrived at Elland Road, bringing Champions League and international experience with them - and the deals were over the line before the market had even opened.
Last season the Whites' thin squad, devastated by injury, played a huge role in Leeds' close brush with Premier League relegation and by getting business done early doors, the Leeds board look keen to avoid a repeat crisis.
So much depends on how the two big question marks over Raphinha and Kalvin Phillips are resolved, as the sale of either or both of United's star players will drastically change the budget that the West Yorkshire side have to play with this transfer window.
The window opened on Friday June 10 but already, Leeds have been linked with countless players who may or may not be interested in joining the Elland Road outfit.
The bookmakers have had their say on the likelihood of various footballers coming to LS11 - here are 16 players who they think could be wearing a United shirt next season, ranked from least likely to most likely:
So much depends on how the two big question marks over Raphinha and Kalvin Phillips are resolved, as the sale of either or both of United's star players will drastically change the budget that the West Yorkshire side have to play with this transfer window.
![Watford are reportedly considering offers for the Senegalese winger as Sarr seeks an escape from the relegated Hornets.](https://www.yorkshireeveningpost.co.uk/webimg/QVNIMTI2MDAxNzI2.jpg?crop=3:2&trim=&width=640)
7. Ismaïla Sarr - 25/1
Watford are reportedly considering offers for the Senegalese winger as Sarr seeks an escape from the relegated Hornets.Photo: Richard Heathcote
![The winger, who scored 9 goals in 26 Premier League appearances for Burnley this season, is expected to leave Lancashire after the Clarets were relegated to the Championship.](https://www.yorkshireeveningpost.co.uk/webimg/QVNIMTI2MDAxNzI3.jpg?crop=3:2&trim=&width=640)
8. Maxwel Cornet - 16/1
The winger, who scored 9 goals in 26 Premier League appearances for Burnley this season, is expected to leave Lancashire after the Clarets were relegated to the Championship.Photo: Clive Brunskill
![The Ukrainian is not getting as much of a look-in as he'd like at the Manchester club - and amid a squad saturated with talent, Pep Guardiola cannot guarantee Zinchenko the first-team minutes he craves.](https://www.yorkshireeveningpost.co.uk/webimg/QVNIMTI2MDAxNzI4.jpg?crop=3:2&trim=&width=640)
9. Oleksandr Zinchenko - 16/1
The Ukrainian is not getting as much of a look-in as he'd like at the Manchester club - and amid a squad saturated with talent, Pep Guardiola cannot guarantee Zinchenko the first-team minutes he craves.Photo: David Ramos
![The attacker failed to score and notched just one assist for the struggling Clarets this season. Everton (4/1) and Aston Villa (5/1) are favourites to secure his signature.](https://www.yorkshireeveningpost.co.uk/webimg/QVNIMTI2MDAxNzI5.jpg?crop=3:2&trim=&width=640)
10. Dwight McNeil - 16/1
The attacker failed to score and notched just one assist for the struggling Clarets this season. Everton (4/1) and Aston Villa (5/1) are favourites to secure his signature.Photo: Ryan Pierse
![The Welshman is being tipped at 2/1 to return to the place where it all began - Cardiff City - or to make a permanent switch to his loan club, Rangers, with odds set at 4/1.](https://www.yorkshireeveningpost.co.uk/webimg/QVNIMTI2MDAxNzMw.jpg?crop=3:2&trim=&width=640)
11. Aaron Ramsey - 16/1
The Welshman is being tipped at 2/1 to return to the place where it all began - Cardiff City - or to make a permanent switch to his loan club, Rangers, with odds set at 4/1.Photo: Justin Setterfield
![The Spaniard had little to no impact at Wolves in the first half of the season, scoring just one goal before plying his trade in La Liga and failing to net once while on loan at Barcelona.](https://www.yorkshireeveningpost.co.uk/webimg/QVNIMTI2MDAxNzMx.jpg?crop=3:2&trim=&width=640)
12. Adama Traoré - 16/1
The Spaniard had little to no impact at Wolves in the first half of the season, scoring just one goal before plying his trade in La Liga and failing to net once while on loan at Barcelona.Photo: David Ramos