 Nash was just sixteen years old when he joined the Cork minor hurling team in 2001 as sub goalkeeper to Martin Coleman.In spite of losing out to Tipperary in the Munster final, Cork later claimed the All-Ireland title following a 2–10 to 1–08 defeat of Galway.Nash was a non-playing substitute for the entire championship, however, he was still presented with an All-Ireland winners' medal.