Dublin earned their expected crushing win over Antrim in the All-Ireland U21 Hurling semi-final at Newry as the Leinster Champions won 3-23 to 0-6.
Mark Schutte hit Dublin's opening goal in the first minute and the Dubs led 1-9 to 0-4 at half-time.
Sean McGrath and Ben Quinn added further goals in the second half as the Saffrons put up little resistance.
Michael Armstrong battled bravely in the Antrim defence while skipper Conor McCann top-scored with three points.
The Saffrons stuttered to a two-point victory over Armagh in last month's Ulster decider.
By contrast, the Dubs comfortably beat a Wexford team in the Leinster decider that had earlier defeated Kilkenny.
Tthe Dubs included senior stars Liam Rushe and Daire Plunkett.
Both played in the senior team that produced a hugely creditable display in the All-Ireland Senior Championship defeat by Tipperary last weekend.
With Antrim receiving a walkover in the scheduled semi-final after Derry pulled out of the game, the Saffrons were desperately short of competitive match practice.