Real Madrid Team B, full name of Castilla Real Madrid, was founded in 1930. The main stadium is Alfredo Di Stefano Stadium, which can accommodate 65,000 spectators. It is understood that Real Madrid team B has won the La Liga championship many times, but according to the regulations, if team A is in La Liga, team B cannot advance from La Liga. Therefore, Real Madrid team B has been playing for Cartier in Madrid, the second league of the League, and has never been promoted to La Liga.
As we all know, Real Madrid has never been relegated to La Liga, which is also the decisive factor for Real Madrid team B to be promoted to La Liga. For example, if Real Madrid is relegated from La Liga this season and Real Madrid team B is eligible to advance to La Liga, then Real Madrid team B will play in La Liga and Real Madrid team B will become Real Madrid 1 team. Before Real Madrid players enter Real Madrid team B and continue to play La Liga, that is to say, La Liga team will let their team B play La Liga, which will also be considered as a "spare tire" to some extent.
Therefore, Real Madrid team B has been playing in La Liga, firstly because Real Madrid has never been relegated to La Liga, and secondly because Real Madrid team B is very strong and has never been relegated to La Liga. For Real Madrid team B, unless it is promoted to La Liga, Real Madrid will be relegated from La Liga. Just when Real Madrid team B was promoted to La Liga, if it is true, then the lineup of players who will be replaced by the two teams is also good.