DOON collected their sixth ever Limerick Premier U-21 hurling title and secured back-to-back wins for the first time since 1966-67 with a thrilling 0-18 to 0-17 final win over Patrickswell at the LIT Gaelic Grounds.
In a thrilling final played behind closed doors, the sides were level on 10 occasions.
The game was 0-16 each when Jack Downey and Adam English hit late points for Doon to retain their title.
Patrickswell were chasing a first U21 title since 1997 hit a late free to leave just a point between the teams but couldn't force extra time.
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