Kilkenny issued a statement of intent when inflicting a 3-21 to 1-12 defeat on Wexford at Nowlan Park today.
The first-half finished with the sides level on 0-9 apiece but the young Cats upped the ante considerably after the break and outscored the visitors by 3-12 to 1-3 after the resumption.
Eoin Guilfoyle (2) and George Murphy raised green flags for Richie Mulrooney's charges while substitute David Cantwell scored the Model County's goal.
In today's other Tier 1 fixture, Dublin coasted to a 2-21 to 0-7 success over Laois at O'Moore Park.
Dara Purcell and Liam Dunne found the back of the Laois net in either half and the team in sky blue led by 1-10 to 0-5 at the halfway stage.
Meanwhile, in Tier 2, Offaly dished out a 3-19 to 0-14 defeat to Kildare.
The Faithful County led by 1-12 to 0-8 at the halfway stage thanks a Danny Flanagan goal.
In Dowdallshill, Antrim got last weekend's defeat to Kildare out of their system with a 0-16 to 0-11 win over Meath.
Jack Gillen, David Devine, Danny McGrath, Shane Williams and Adam McCormack were the goal scorers as Westmeath strolled to a 8-18 to 1-4 Tier 3 victory over Down at the Gaelic Grounds in Drogheda.
Kilkenny - J Brennan; P Dempsey (0-1), P Moylan, J Harkin; S Staunton, J Young, H Walsh; E Guilfoyle (2-2), C Kelly (0-7, 6f); D Maher (0-3), C Brennan (0-1), J Morrissey (0-3); C O'Leary (0-2), G Murphy (1-0), K Hogan (0-2). Subs: P Donohoe for K Hogan, D Fogarty for P Moylan, D Crehan for J Harkin, P McDonald for G Murphy.
Wexford - D Hayes; F Roche, R Scallan, N Rowesome; E Doyle, D Codd, B Dunne; C Molloy, R Lawlor (0-1); J Kehoe, T Murphy (0-1), O Whitty (0-1); AJ Redmond (0-8, 6f, 1'65), J Kirwan (0-1), P Whitty. Sub: D Cantwell (1-0) for J Kehoe.
Referee - S Stack.
Dublin - J Lambert; K Byrne, C Hogan, T Cullen; E Carney, A O'Neill, I O hEither; D Leavy, D Power; C Murray (0-3), P Christie (0-1), C Foley (0-1); L Dunne (1-10, 0-9f), L Swan (0-2), D Purcell (1-2). Subs: A O'Toole (0-1) for P Christie, F Murphy for K Byrne, C Walsh for T Cullen, F Ryan for D Leavy, S Fenton (0-1) for D Purcell.
Laois - L Fitzpatrick; B Shore, D Brennan, G O'Neill; K Kelly, C Cosgrove, T Fitzpatrick; F Mahoney, T Cuddy; C Byrne, A Connolly, E Hawkes; M Hennessy, C O'Shaughnessy, A Kirwan (0-7f). Subs: N Carey for K Kelly, DJ O'Callaghan for E Hawkes, F Holland for B Shore, S Farrell for C Byrne.
Referee - R Fitzsimons.
Offaly - S Loughnane; A Brazil, A Flanagan, S Mulrooney; L Egan, D Maher, L Nolan; E Houlihan, E Curley; C Kiely (1-11, 0-5f), C Sampson (1-1), DJ McLoughlin (0-3); C Teehan (0-1), C Donoghue (0-2), D Flanagan (1-1). Subs: A Walsh for E Curley, B Egan for A Brazil, D Molloy for C Donoghue, S Flynn for DJ McLoughlin, J Screeney for E Houlihan.
Kildare - S Burke; D Murray, B Noone, M Eustace; C Shanaghan, K Kelleher, D Costello; H Dunne (0-1), C Boran (0-2); M Curtin (0-8, 4f, 1'65), D Hanafin, S Whyte; F O'Sullivan, M McGovern (0-1), C McCabe (0-1). Subs: A Hackett for S Burke, D Melville (0-1) for D Hanafin, J Cleary for M McGovern, J Higgins for S Whyte, R Stapleton for C McCabe.
Referee - B Nea.
Westmeath - E Glennon; J Coffey (0-1), C McCormack, J Connon; E McCabe, F Brennan, C McClare; P Nangle, D Hickey (0-1); L Moore (0-1), C Egan (0-2), D Ennis; D Devine (2-5), J Gillen (2-5), D McGrath (1-1). Subs: A McCormack (1-0) for E McCabe, S Williams (2-1) for L Moore, S Cunningham for D Ennis, C Fenlon (0-1) for C McCormack, C Fagan for E Glennon.
Down - D Kelly; O O'Connor, C Lyons, R Smith; M Coulter, C Watson (0-1), L Boyd; C McMullen, K Coulter (0-1); P McCusker, C Murphy, L Hogan (0-1); E McGee, S Hughes (1-0), O Devlin. Subs: I Hussein (0-1) for T Murphy, N Hassan for P McCusker.
Referee - S Guinan.