Cardiff youngsters must prove they can thrive at higher level - Blake

[Huw Evans Picture Agency]Nathan Blake says Cardiff City's crop of youngsters must prove they can make the step up to the Championship next season.The youthful Bluebirds secured automatic promotion from League One last season after finishing second with an impressive tally of 91 points.But ex-Wales striker Blake says it remains to be seen how Cardiff's crop of younger players fare in the second tier. "Cardiff are a young, vibrant, very good footballing team," said Blake."But the question still r