Munster coach Alan Gaffney has included Ireland hooker Frankie Sheahan in his 26-man squad for Friday's Celtic League curtain raiser against Leinster at Donnybrook.
Sheahan had his two-year doping ban reduced to three months on appeal yesterday and, as that suspension has already elapsed, the 26-year-old is available for selection this weekend.
Sheahan still harbours ambitions of forcing his way into Eddie O'Sullivan's 30-strong World Cup squad - due to be announced on Sunday morning - and the Canadian-born player is "hungry" for action on Friday.
A number of other World Cup hopefuls will be in action in Dublin 4 with those players not involved in Ireland's final warm-up match against Scotland in Edinburgh likely to get a run.
New Leinster coach Gary Ella has handed the captains armband to flanker Keith Gleeson while Emmett Byrne, Leo Cullen and Brian O'Meara all start.
Gaffney has yet to name his first XV but Alan Quinlan, Donnacha O'Callaghan, Anthony Foley and Rob Henderson are all expected to feature.
Leinster won the inaugural Celtic League two years ago with Munster lifting the trophy last season.
Leinster: 15 Christian Warner,14 Gordon D'Arcy,13 Kieran Lewis,12 David Quinlan,11 Brendan Burke,10 Matthew Leek,9 Brian O'Meara , 1 John Lyne,2 Gavin Hickie,3 Emmett Byrne,4 Leo Cullen,5 Ben Gissing,6 Aidan McCullen,7 Keith Gleeson (Captain),8 Des Dillon. Replacements: 16 Niall Treston,17 David Blaney,18 Aidan Kearney,19 Shane Jennings,20 Brian O'Riordan,21 Gary Brown,22 John McWeeney.
Munster Squad: Eoin Reddan, Frank Murphy, Damon Urlich, Killian Keane, Jason Holland, Jason Jones Hughes, Mike Mullins, Rob Henderson, Shaun Payne, Mossie Lawlor, Colm McMahon, Jeremy Staunton, Martin McPhail; James Blaney, Frankie Sheahan, Simon Kerr, Martin Cahill, Jodie Danaher, Frank Roche, Donnacha O'Callaghan, Eddie Halvey, Trevor Hogan, Alan Quinlan, Anthony Foley, Jim Williams, Denis Leamy.