"Atletico" camp - concern over the ineffective methods of D. Simeone © ZUMAPRESS com.

For the second year in a row, Madrid's "Atletico" is struggling in the Champions League group stage, and this time, unlike last year, the "mattresses" will not be able to escape.

Moreover, at this moment, they will also need to work hard to at least get into the Europa League knockout stages.

As reported by "Cadena SER" journalist Pedro Fullana, after the Champions League fiasco, there is some concern within the "Atletico" camp about Diego Simeone's methods.

There are dissatisfied individuals within the Madrid club regarding the Argentine's management of the team and their recent results. According to the source, this trend has been present for some time.

In the Champions League group stage, "Atletico" lost to the "Porto" and "Club Brugge" clubs, and are currently competing with "Bayer" for entry into the Europa League.

Last season, the "mattresses" reached the quarterfinals, where they were knocked out by "Manchester City" players with a total score of 0:1.

D. Simeone has been in charge of the "Atletico" team since 2011.