Is Estevao unhappy and will Alonso switch to a back four?

[BBC]In the third and final part of Tuesday's Q&A, Chelsea reporter Nizaar Kinsella discusses Estevao Willian's current situation and Xabo Alonso's defensive tactics.Will asked: How much truth is there to the rumours about Estevao being unhappy at Chelsea? It seems curious that he has been afforded so few minutes given the side's recent difficulties.Nizaar: There are strong denials from both the Brazilian's camp and Chelsea that there are any issues between him and Xabi Alonso.I have written