And from Spain today comes more pressure on UEFA to investigate City's practices in relation to FFP, particularly the claim of artificially inflated sponsorship deals - or "financial doping" - which could be the most serious of the lot.
Manchester City ignored warnings from their own staff by striking a sponsorship deal with a construction company accused of mistreating migrant workers, according to leaked documents.
In the latest allegations to plunge City into turmoil, it is alleged a risk analysis regarding a possible deal with Arabtec was carried out by executives but that, despite the report concluding a partnership with the company would have "significant potential to damage the perception and standing of the club and its owners", the club struck an agreement regardless, signing a regional contract that would be publicised only in Arab states, Russian Federation and Turkey, where there was considered to be less risk of condemnation.
Der Spiegel cited Man City documents in which officials wrote: "Without significant additional revenues".
UEFA has yet to comment publicly but Javier Tebas, chief executive of La Liga, fears the European governing body's links with broadcaster beIN Sport, who have committed billions of pounds to televise Champions League matches and other competitions, present an obstacle to UEFA acting.
UEFA said it "cannot comment on specific cases due to confidentiality obligations".
The claim was made in the magazine's latest revelations based on documents released by Football Leaks.
Of course I trust the club.
Ten-year-old charged in infant's death
The girl is being tried in adult court, WEAU reported , but state law says the case may be referred to a juvenile court. The victims were among seven children and five adults who were working in the ditches along the roadway.
Federation Internationale de Football Association president and former UEFA general secretary Gianni Infantino said this week he expected UEFA to take further action if new evidence surfaced and by Thursday probes into City were looking increasingly likely.
"I am a manager".
"I'm a manager. I'm completely out of how we handle this situation".
This rise coincided with UEFA creating rules - in consultation with the European Club Association - to limit spending within a club's ability to generate revenue. "We want to do what we have to do in terms of the rules".
Guardiola added that City "have to live with" suggestions they have bought their success.
Asked whether the allegations undermined City's achievements, Guardiola said people had been saying for a decade that the club "just win because we have money" but there was also a lot of hard work involved.
Guardiola's prime focus was on matters on the pitch and a game against Shakhtar he feels is more important than Sunday's derby against Manchester United.
City CEO Ferran Soriano complained in one memo that ECA members were pushing for the UEFA rules - which many thought could curb the rise of Man City and Qatari-owned Paris Saint-Germain.