Blackrock College co-coaches Barry Gibney and Emmett Farrell bring in prop Sean Byrne to tight-head as their only change to the leaders' side to play Clontarf at Castle Avenue.

Leaders Blackrock College will be looking to their Leinster Academy backs, like Niall Morris, Brendan Macken, Kyle Tonetti, Andrew Conway and Dave Moore, to open up Cork Constitution at Stradbrook.

Cork Constitution will be looking to take revenge over Ballynahinch when they will meet in a an AIB Senior Cup second round repeat of last season’s final at Ballymacarn Park on Saturday.

Cork Constitution will give an AIL debut to possible Ireland Under-20 second row Brian Hayes at home to UL-Bohemian at Temple Hill tomorrow.

Teams for this weekend's All-Ireland League clashes.

Teams for today's All-Ireland League ties.

ALL IRELAND LEAGUE.

AS THE gap widens between Connacht and those above them in the Magners League, every game is becoming more critical, and few more so than a home fixture against the Welsh team immediately above them.

Connacht have captured New Zealand second-row forward Bernie Upton on a two-year contract.

IRELAND hooker Rory Best will lead Ulster’s Magners League challenge against Glasgow at Ravenhill on Saturday night although Stephen Ferris and Paddy Wallace are still unavailable.

CONNACHT will face Samoa skipper Filiso Levi in their Magners League clash with the Ospreys at the Liberty Stadium on Sunday (2.15pm).

Connacht will have to plan without flanker Michael McCarthy, who broke a bone in his foot at training, with their 25-man squad for their Magners League clash with The Ospreys at the Liberty Stadium on Sunday (2.15pm).

The teams for the quarter-finals of the AIB Senior Cup have been announced today.

The teams for this weekend's upcoming AIB League fixtures have been annnounced today.

AIB Cup third round team sheets

All-Ireland League team news

All the AIB All-Ireland League teams have issued their team sheets for tomorrow's games.

AIB League teams

The teams for this weekend's AIB League fixtures have been announced.

The teams for this weekend's AIB League fixtures have been announced.

Coach Michael Bradley has made nine changes to his side for the clash with Leinster in the Magners League at the Sportsground on Sunday (6pm).

Michael Bradley has made eleven changes as well as four positional switches to his Connacht side ahead of their final pre-season friendly against Queensland Reds at the Sportsground tomorrow evening (kick off: 7.30pm).

Michael Bradley will get a good view of the rest of his squad by making 11 changes to his side for their third preseason friendly against London Welsh at the Sportsground on Friday (kick off: 6.30pm).

Connacht rugby manager Michael Bradley has made 11 changes and two positional switches to his side ahead of their third pre-season friendly against London Welsh at the Sportsground tomorrow (kick off: 6.30pm).

Three Connacht players will make their debuts for the province on Saturday when they play Leeds at the Sportsground in their opening match of the new season, kick-off at 6.30pm.

Coach Nigel Carolan has gone for a misture between youth and experience in his Connacht ‘A’ side to play Russian tourists Enisei STM at the Sportsground on Tuesday (kick off: 7pm).

The team lineups for this weekend’s AIB League fixtures have been announced.

Galwegians provide nine of the Connacht A side to play Ulster 'A' in Enniskillen on Tuesday (kick off: 5pm).

Team news ahead of this weekend's All-Ireland League clashes.

All the latest team news for this weekend's AIB League games.

All the team details for the opening weekend of the 2007/8 AIB League.

John Muldoon will captain Connacht in the first of two games against French Top 14 side Castres Olympique this week.

Team news is in for the full schedule of AIB All-Ireland League games this weekend.

All the team news for this weekend's clashes.

CONNACHT coach Michael Bradley has made three changes to the team which played Ospreys two weeks ago for tonight’s Magners League clash with Border Reivers at Galway Sportsground (6.30).

The teams for this weekend's AIB League rugby fixtures have been announced.

The teams for this weekend's AIB League matches have been announced.

IRELAND return to the exact field where Ulster flanker John McCall died a little over a year ago and are depending on other results working in their favour to progress at the U19 World Championships in Durban today.

The Ireland Under 18 Squad that will compete in the Four Nations Tournament which begins in Belfast on Saturday has been announced.