Prendergast attended Limerick CBS,[1] and was part of the school's senior team beaten by the North Monastery in the Harty Cup in 1955.
His performances earned his inclusion on the Munster colleges team he won an All-Ireland medal after a defeat of Leinster.
[2] At club level with Claughaun, Prendergast began his career by winning a Limerick MHC title in 1954.
Prendergast also made his first appearance with the Limerick senior hurling team, having previously played at minor level.
He was later reinstated and ended his club career by winning a Limerick SHC-SFC double with Claughaun in 1971.