 Again eligible for the grade the following year, he was an unused substitute on 22 April 1992 when Limerick suffered a 1-07 to 0-09 defeat by Tipperary in the Munster Championship.On 16 April 1993, O'Neill made his first appearance for the Limerick under-21 team.He scored 2-01 from play in the 5-09 to 4-08 defeat of Waterford in the Munster Championship.