Munster, Leinster and Ulster ring the changes

Mark McCall has named his Ulster team to play Glasgow tomorrow at Hughenden.

Paddy Wallace will start at out half in place of the injured David Humphreys and Paul McKenzie has drafted in on the left wing for his fourth Ulster appearance.

Andrew Trimble has switched to the centre in place of Paul Steinmetz who is named on the bench and Adam Larkin has been called up to the bench as cover at out half.

The Leinster team to face the Ospreys at Donnybrook tomorrow evening has also been announced

Felipe Contepomi will start at out-half to link up with Chris Whitaker at half-back, while Kieran Lewis replaces Shane Horgan on the wing.

There are two changes to the pack with Cameron Jowitt starting at second row in place of Trevor Hogan and Stanley Wright coming in for the injured Ronan McCormack.

Declan Kidney has made ten changes for Munster match against Welsh Region the Dragons tonight.

Anthony Foley will captain the side in his first game since injuring his shoulder against Leicester in October.

Also returning from injury are Marcus Horan, Mick O'Driscoll and Anthony Horgan.

John O'Sullivan is the only survivor in the pack with Tony Buckley coming into the front row alongside Andy Kyriacou.

Donnacha Ryan is in at second row and Denis Leamy moves to flanker.

David Wallace is out with a shoulder injury and Peter Stringer has a chest infection so Tomas O'Leary moves to scrum half, while Jeremy Manning is at out half.