Even with the leading European clubs scattered across the globe on preseason tours, the transfer rumour mill refuses to cease turning.
Didier Drogba appeared to have signed off from the Blues in the most stylish way possible with his last kick for the club winning the Champions League in 2012. But the story may not have ended in the Allianz Arena.
However, Moyes seems to have missed out to Bayern Munich for one of his long-term targets.
Manchester City are on the verge of completing their move for a coveted figure from Serie A, while Arsenal have also been linked with moves for two England-based players. And neither of them is Luis Suarez.
Read on to find out more.
The Galatasaray striker, who played against Shrewsbury Town in a friendly on Saturday, visited the Blues' Cobham training ground on Monday and spoke with Mourinho, according to the report.
The Ivory Coast international, 35, left Chelsea after scoring the winning penalty in the Champions League final shootout against Bayern Munich last year.
Drogba scored 157 goals for Chelsea in eight years after becoming one of Mourinho's first signings for the club in 2004 during the Portuguese coach's first spell in charge of the Blues.
The Old Trafford boss refused to reveal the names of the players he is looking at, but that has given the Sunday newspapers carte blanche to fill in the blanks.
Charlie Wyett of The Sun added the names of Real Madrid forward Cristiano Ronaldo and Tottenham star Gareth Bale to his report, while the Daily Mail reported a link between United and former Arsenal star Cesc Fabregas.
Closer to home, Moyes will have to raise his bid for Everton fullback Leighton Baines significantly if he is to be reunited with the England international, report Dave Kidd and Steve Bates of the Sunday People.
If United are unwilling to match the Goodison Park club's value, Baines will sign a new deal with the Merseyside club, according to the report.
David Moyes might be relishing the prospect of spending big this summer, but his reach is unlikely to extend to include Barcelona star Thiago Alcantara.
The Old Trafford boss has been strongly linked with the 22-year-old midfielder, as Geoff Sweet of The Sun reported.
However, the Spain Under-21 international is reportedly on the verge of completing his move to Bayern Munich, where he will be reunited with former Barca coach Pep Guardiola, according to Warren Haughton of talkSPORT.
Bayern sporting director Matthias Sammer has told Bild am Sonntag (via Sky Sports) that reports of the deal for Thiago already being completed are premature, but it seems unlikely that the player will be going anywhere other than the Allianz Arena.
Manchester City manager Manuel Pellegrini is on the verge of adding Stevan Jovetic to his squad for the new season, according to Shaun Custis of The Sun.
The Fiorentina forward will cost City £27 million, according to the report, with only personal terms now needing agreement before the Montenegro international makes the move to the Etihad Stadium.
Jovetic, 23, had also been linked with Manchester United, Chelsea and Arsenal, as James Dickenson of the Daily Express highlighted.
But Jovetic will now link up with fellow City newcomers Jesus Navas and Fernandinho ahead of the new Premier League campaign, according to Custis.
Brazil international Cesar is poised to join Rafael Benitez's side on a year-long loan from Queens Park Rangers, reports Sami Mokbel of the Daily Mail, after his representatives met with the Gunners this summer.
Meanwhile, Arsenal and Manchester United have been warned that they have only a month left to sign Marouane Fellaini at £23.5 million before his transfer fee increases, according to Matt Law of the Sunday Mirror.
The Everton midfielder has a buyout clause of £23.5 million inserted into his contract until August 14, when the Goodison Park club can request a greater amount for the Belgium international, claims the report.