Frank Lampard admits the jury is out on his stumbling Chelsea players following a worrying run of three defeats in four matches.
Having gone 17 games unbeaten, a sequence that saw them move to within touching distance of the Premier League summit and cruise through their Champions League group, the Blues have hit a sticky patch which leaves them in eighth place heading into today's clash with Aston Villa.
'You learn more about your players when they are on a bad run,' said Lampard.
'I learn about the players and the players have to learn about themselves.