Munster are in pole position in the Under 21 Interprovincial championship and they will meet Ulster for the first of two times in a week at Thomond Park on Saturday (2.30pm).
Eamon McLoughlin will replace Ger Collins in the front row in the only change from the side that beat Connacht last week.
Munster U21. Cathal Garvey (UL Bohs ); Andrew Finn (Dolphin), Brian Hastings (Trinity), Breffne O'Donnell (UL Bohs), Paul Hurley ( UCC); Barry Keeshen (UCC), Thomas O'Leary (Cork Con), Fergus Gately (UCC), Robert Quinn UCC), Emmet McLoughlin (Shannon); Ryan Hartigan (UL Bohs), Shane O'Connor (Cork Con); Mark Melbourne (Garryowen), Anthony Kavanagh (Garryowen), Brendan O'Connor (Cork Con - capt).
Replacements: Ger Collins (Bruff), Damien Varley (Garryowen), Rory Brosnan (Garryowen), Donnacha Ryan (UCC), Eddie Molloy (Dublin University), Killian Barry (UCC), Brian Carroll (Bruff), Michael Hastings (UCD)
Ulster U21: Richard McCarter (QUB); John Hill (Malone), Andrew Trimble (Ballymena), Neil Patterson (Dungannon), Paul McKenzie (Loughborough University); Gareth Steenson (QUB), Michael Kirkwood (B. Harlequins); Niall Conlon (Dublin University - capt), Philip Currie (Portadown), Leslie George (Coleraine); Lewis Stevenson (B. Harlequins), David Houston (Ballymena); Glenn Moore (QUB), Oisin Hennessey, Chris Henry (Malone).
Replacements: Lee Pollock (Coleraine), Gary Maxwell (Dungannon), John Andress (B. Harlequins), Ryan Caldwell (Dungannon), Peter McFeely (City of Derry), Stephen Auld (Dungannon), Jonny McLaughlin (B. Harlequins).
Leinster v Connacht, Donnybrook, today, 6.30pm
Leinster U21: Ross McCarron (UCD); David Foran (DLSP), Stephen Grissing (UCD), Ken Copeland (Blackrock), Marc Hewitt (Clontarf); Conor Sharpe (UCD), Darragh Geraghty (UCD); Johnny Wickham (Clontarf), Conor Geoghegan (UCD - capt), Keith Doyle (UCD); Arthur Houlihane (UCD), Owen Cullen (Blackrock); Kevin Mc Laughlin (UCD), David O'Brien (Old Belvedere), Jamie Heaslip (Dublin University).
Replacements: Ollie McCormack (St Mary's), Keith Taite (DLSP), Alex Dunlop (Terenure), David Upton (Lansdowne), Simon Gibney (St Mary's), Simon Morrissey (UCD), Philip de Barra (DLSP).
Connacht U21: Rory McGowan (Buccaneers); Brian Taylor (Sligo), Iomar Barrett (Blackrock), Donal Nee (Corinthians), James Buckley (Corinthians); David Connellan (Buccaneers - capt), Peter Beirne (Buccaneers); Ronan Loughney (UL Bohemians), Frank Leonard (UL Bohemians), Wesley Maxwell (Garryowen); Val Baynes (Corinthians), David Kelly (Buccaneers); Philip Rowe (Dublin University - Ballina), Shane Dixon (Corinthians), Pierce Breen (G.M.I.T.)
Replacements: Michael Diffley (Creggs), Stephen McGrath (Galwegians), Gareth O'Sullivan (Corinthians), Kevin Moran (Westport), Joe Merrigan (Corinthians), Paddy O'Toole (Corinthians), Conor Lavelle (Corinthians).