JAR Harris 12/118 v Gloucestershire at Bristol, 2007 aged 17 years and 3 days
GB Shaw 10/105 v Comb Services at Cardiff Arms Park, 1952 aged 20 years and 211 days
RDB Croft 14/169 v Warwickshire at Swansea, 1970 aged 21years and 362 days
PW Gatehouse 10/137 v Middlesex at Lord’s, 1958 aged 22 years and 87 days
AW Allin 11/192 v Middlesex at Swansea, 1976 aged 22 years and 119 days