Can Mourinho inspire Costa's best?

ESPN FC's Steve Nicol believes that Chelsea boss Jose Mourinho must punish Costa in some way to maintain order at the club.Jose Mourinho once told me that managing people required a bespoke approach.

"If John Terry has a bad game, I can get in his face and shout at him and call him a f***** ******* and tell him he let everyone down; the fans, the players, the club," said Mourinho. "And I know that if I do that, I'll get the right response and he'll come back stronger. But if I talk to, say, William Gallas that way after a bad game, it will backfire. I might lose him. He might withdraw. With Gallas, I need to put my arm around him, to encourage him."

It's not rocket science; it's a staple of…