Several teams, including RB Leipzig, Real Sociedad, and Roma, were interested in signing Guiu on loan, but Sunderland has secured the deal. According to transfer expert Fabrizio Romano, Sunderland will cover Guiu's salary as he becomes an important striker for the team.

Chelsea has signed several players this summer, including Joao Pedro, Liam Delap, and Jamie Gittens. The team is also set to sign Xavi Simons from RB Leipzig. Chelsea's manager, Enzo Maresca, will hope to see Guiu develop with Sunderland over the next season.

Sunderland has made significant signings this summer, including Granit Xhaka, Habib Diarra, Simon Adingra, Enzo Le Fee, and Chemsdine Talbi. The team's manager, Regis Le Bris, is confident that the signings will help the team avoid relegation.