Eddie Howe has secured the signings of Matt Targett, Nick Pope and Sven Botman for a combined total of roughly £60million.
And with just under two months to go before the window slams shut, United still have plenty of time to secure further signings.
But who are the players deemed the most likely to join Newcastle before September? A total of 28 players who played in the Premier League during the 2021-22 campaign have had Newcastle listed by Sky Bet as their potential next destination this summer.
Here they are ranked in order of least to most likely...
21. James Ward-Prowse - 5/1
James Ward-Prowse is a player Newcastle have been linked with this summer, but he won’t be cheap. Photo: Naomi Baker
22. Jesse Lingard - 5/1
Now a free agents after leaving Manchester United. Lingard was heavily linked with a move to Newcastle in January. Photo: Getty Images
23. Maxwel Cornet - 9/2
The Burnley winger has a £17.5million relegation release clause which has alerted a number of Premier League clubs. Photo: Clive Brunskill
24. Ismaila Sarr - 9/2
The Watford winger has been linked with a move to Newcastle this summer but nothing have developed so far. | Getty Images