Chelsea striker Diego Costa in 'bite' controversy after clash with Gareth Barry in FA Cup tie
Diego Costa clashes with Gareth Barry clash in the incident leading to Costa's second yellow card
Chelsea striker Diego Costa could face retrospective action despite denying accusations of biting Everton's Gareth Barry during Saturday's FA Cup quarter-final at Goodison Park.
The Spain international was shown a yellow card early on in a 2-0 defeat for a foul on Barry and in the 84th minute, the pair clashed again after Costa retaliated to a challenge by the former England international.
Costa pushed his face into Barry's neck and motioned as if to bite, but appeared to withdraw at the last moment and then embraced his opponent, who did not react