Super Eagles midfielder, John Mikel Obi and some members of Chelsea's squad are believed to feel Spain international striker Costa gets away with things others wouldn't be allowed to.The 27-year-old admitted he returned for pre-season overweight, but went unpunished. He also had a public bust-up with manager Jose Mourinho during last month's Champions League clash with Maccabi Tel-Aviv.
Mourinho has admitted this season that he has treated Costa differently and given him leeway with “little things"
