With all age group finals to be played at the Arms Park, action kicks off at 10am and will run through until 5pm. (Admission is £1).
In the Under 10 final, Treharris take on Rumney while in the Under 11 final Aberdare face Rhiwbina.
Pontypridd duel with Cowbridge in the Under 12 final while St Albans and Rumney contest the Under 13 final.
The Under 15 final will be between Rhondda Schools and Cardiff Schools while the Under 14 final will be moved to Tuesday 2nd June (7pm) due players being on tour to Italy with the Blues.
Blues Cup Finalists
Under 10
Treharris RFC V Rumney RFC
Under 11
Aberdare RFC v Rhiwbina RFC
Under 12
Pontypridd RFC v Cowbridge RFC
Under 13
St Albans RFC v Rumney RFC
Under 14
Pontypridd RFC V St Peters RFC (date to be conf0
Under 15
Rhondda Schools V Cardiff Schools