His league and championship career with the Kilkenny senior team lasted one season from 1970 until 1971.
[1] Born in Gortnahoe, County Tipperary, Moriarty first played competitive hurling with Gortnahoe–Glengoole, with whom he won a Mid-Tipperary junior championship medal.
After emigrating to London Moriarty played for the Young Irelands team before being headhunted by the St. Gabriel's club.
Moriarty was first considered for inter-county duty when he went for a trial with the Tipperary intermediate team in 1968.
Moriarty played no part during the subsequent provincial championship and was an unused substitute for the 1971 All-Ireland final.