 Corbett, having never played minor hurling for Tipperary, arrived on the inter-county scene in 2000 when he lined out against Clare in the South East League.He played no further part for the senior hurlers that year, however, he was included on the Tipperary under-21 team.In 2001 Corbett became a regular member of the starting fifteen as Tipperary made it all the way to the league final.