By Chrysanthus Ikeh

As Chelsea step up their training ahead of a forthcoming Thailand All-Stars friendly match on Saturday, May 30, 2015, Brazil-born striker, Diego Costa has had to limp away from the pitch.
This happened after he was on the other end of a rough tackle from Nigeria defensive midfielder, Mikel Obi and it doesn’t look like an amusing sight for the club’s coach, Jose Mourinho.




