FRANK Lampard admits a much-changed Coventry City side ‘did not play to the same level’ in defeat against Millwall in the Carabao Cup. The Sky Blues suffered a 2-1 defeat at The Den to exit the competition at the second round stage. City head coach Lampard made eight changes for the cup tie following a rampant 7-1 victory against Queens Park Rangers last weekend. And Lampard challenged the players coming into the side to maintain a high level of performance following the club’s strong start to the league season. And Lampard admits his side must defend set-pieces better after conceding from two corners against Millwall.