Comment and Analysis
Mexico coach Ricardo "Tuca" Ferretti dropped Miguel Angel Herrera and Carlos Pena from his squad before also ruling out Giovani dos Santos because of injury.
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 per year.