Comment and Analysis
Dick Advocaat has left the head coach's role at the Stadium of Light after seven months in charge.
The Blues are reported to be big fans of young Porto star Ruben Neves, although the 18-year-old midfielder's buyout clause may prove to be a stumbling block.
Brazil midfielder Ramires looks likely to sign an extension at Stamford Bridge, if reports are to be believed. The 28-year-old is said to have been offered 3.7 million euros per year.
Sergio Aguero is of course the man of the match after stunning the Magpies with five goals in 20 minutes, while Kevin De Bruyne and David Silva also made hay.