Mangan's side caused shockwaves across Leinster after knocking out Kilkenny champions Thomastown.
Castletown Geoghegan produced the biggest headline in the club championships over the weekend.
The Westmeath champions were impressive 11 point winners over Thomastown of Kilkenny in the Leinster Senior Hurling Championship yesterday.
Despite trailing by a single score at half time, Alan Mangan's side took advantage of early second half red card for Jonjo Farrell to run out 1-25 to 1-14 winners.
Castletown Geoghegan manager Alan Mangan says the victory has been years in the making:
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