Real Madrid 0-1 Barcelona
FC Barcelona secured the early bragging rights over Real Madrid after securing a 1-0 win at Allegiant Stadium in Las Vegas.
Los Blancos handed debuts to Antonio Rudiger and Aurélien Tchouaméni, while Eden Hazard, who is rumoured to be leaving, also started in the attack.
Barcelona, meanwhile, gave Robert Lewandowski his first start alongside Raphinha and Ansu Fati, while Andreas Christensen started in defence.
However, the night belonged to Raphinha once again as the Brazilian made it two goals in two games with a strike in the 27th minute.
Bayern Munich 0-1 Manchester City
Erling Haaland got his first start in a City jersey, while fellow signings Kalvin Philipps and Alvarez were named on the bench.
The Citizens came up against a familiar face in Leroy Sane, who was joined in the Bayern attack by Serge Gnabry and Kingsley Coman.
The Norwegian striker came back to haunt his former rivals, as Haaland scored the game's only goal in the 12th minute after being set up by Jack Grealish.
Arsenal 4-0 Chelsea
Arsenal secured bragging rights in the London derby at Camping World Stadium after thrashing Chelsea 4-0.
Gabriel Jesus continued his fine pre-season and put the Gunners ahead on 15 minutes, before Martin Odegaard doubled the advantage 10 minutes before the halftime break.
Bukayo Saka added to the scoreline just after the hour mark while Albert Sambi Lokonga wrapped up the scoring in second-half stoppage time.
Here 10 more signings that were confirmed over the past week:
