article_snippet.sent: David Ospina - Lucky not concede a penalty after clattering into Oscar - but produced a good stop to deny Ramires.
article_snippet.sent: David Ospina was fortunate to get away without conceding a penalty when David Ospina clattered Oscar .
article_snippet.sent: Oscar - Playing in an unfamiliar role as central striker, Oscar - Playing in an unfamiliar role as central striker should have won Chelsea a penalty.
article_snippet.sent: Oscar had to be replaced at half time after a suspected concussion after Oscar clash with Ospina .